Download Code of Food and Pizza Bill Management System Project in Python

Project Title: Food and Pizza Bill Management System

Food and Pizza Bill Management System with Source Code can compute the total bill of a customer and its done digitally. The main theme o of the system is to compute and transact the exact amount as the customer pays for their ordered Food and Pizza. This project was built using only Python language.

The project is a simple GUI application that uses the Tkinter module in order to create a stunning design view.

Functional requirements of Food and Pizza Bill Management System

The system can be openly accessed without entering password protection.
The system has a built-in calculator that lets you calculate manually.
The system can automatically calculate the ordered Food and Pizza.
While ordering Food and Pizza the tax is automatically calculated.
The system will auto-calculate all the ordered Food and Pizza when the user clicks the total button.
You can also generate a receipt that has the list of ordered Food and Pizza of a customer.
The system can generate a billing receipt after paying
The user is only capable of listing the ordered Food and Pizza of a customer.
The customer will choose Food and Pizza or drinks while the user checked the customer selected Food and Pizza and enter the desire quantify.
The system also has a built-in calculator that lets you manually calculate the Food and Pizza that has been ordered.

from tkinter import *
import time
import datetime
import random
import tkinter.messagebox

root =Tk()
root.geometry("1350x750+0+0")
root.title("Food Billing System")
root.configure(background='light blue')

Tops = Frame(root,bg='light blue',bd=20,pady=5,relief=RIDGE)
Tops.pack(side=TOP)

lblTitle=Label(Tops,font=('arial',60,'bold'),text='Food Billing System',bd=21,bg='black',
                fg='cornsilk',justify=CENTER)
lblTitle.grid(row=0)


ReceiptCal_F = Frame(root,bg='light blue',bd=10,relief=RIDGE)
ReceiptCal_F.pack(side=RIGHT)

Buttons_F=Frame(ReceiptCal_F,bg='light blue',bd=3,relief=RIDGE)
Buttons_F.pack(side=BOTTOM)

Cal_F=Frame(ReceiptCal_F,bg='light blue',bd=6,relief=RIDGE)
Cal_F.pack(side=TOP)

Receipt_F=Frame(ReceiptCal_F,bg='light blue',bd=4,relief=RIDGE)
Receipt_F.pack(side=BOTTOM)

MenuFrame = Frame(root,bg='light blue',bd=10,relief=RIDGE)
MenuFrame.pack(side=LEFT)
Cost_F=Frame(MenuFrame,bg='light blue',bd=4)
Cost_F.pack(side=BOTTOM)
Drinks_F=Frame(MenuFrame,bg='light blue',bd=4)
Drinks_F.pack(side=TOP)


Drinks_F=Frame(MenuFrame,bg='light blue',bd=4,relief=RIDGE)
Drinks_F.pack(side=LEFT)
Food_F=Frame(MenuFrame,bg='light blue',bd=4,relief=RIDGE)
Food_F.pack(side=RIGHT)


var1=IntVar()
var2=IntVar()
var3=IntVar()
var4=IntVar()
var5=IntVar()
var6=IntVar()
var7=IntVar()
var8=IntVar()
var9=IntVar()
var10=IntVar()
var11=IntVar()
var12=IntVar()
var13=IntVar()
var14=IntVar()
var15=IntVar()
var16=IntVar()

DateofOrder = StringVar()
Receipt_Ref = StringVar()
PaidTax = StringVar()
SubTotal = StringVar()
TotalCost = StringVar()
CostofFood = StringVar()
CostofDrinks = StringVar()
ServiceCharge = StringVar()

text_Input = StringVar()
operator = ""

E_Sprite = StringVar()
E_Pepsi = StringVar()
E_DietCoke = StringVar()
E_Mojito = StringVar()
E_Cappuccino = StringVar()
E_Fanta = StringVar()
E_CocaCola = StringVar()
E_ColdCoffee = StringVar()

E_HotDog = StringVar()
E_VegBurger = StringVar()
E_Pasta = StringVar()
E_HamBurger = StringVar()
E_Sandwich = StringVar()
E_Fires = StringVar()
E_Spagetti = StringVar()
E_Fazitas = StringVar()

E_Sprite.set("0")
E_Pepsi.set("0")
E_DietCoke.set("0")
E_Mojito.set("0")
E_Cappuccino.set("0")
E_Fanta.set("0")
E_CocaCola.set("0")
E_ColdCoffee.set("0")

E_HotDog.set("0")
E_VegBurger.set("0")
E_Pasta.set("0")
E_HamBurger.set("0")
E_Sandwich.set("0")
E_Fires.set("0")
E_Spagetti.set("0")
E_Fazitas.set("0")

DateofOrder.set(time.strftime("%d/%m/%y"))

##########################################Function Declaration####################################################

def iExit():
    iExit=tkinter.messagebox.askyesno("Exit Restaurant System","Confirm if you want to exit")
    if iExit > 0:
        root.destroy()
        return

def Reset():

    PaidTax.set("")
    SubTotal.set("")
    TotalCost.set("")
    CostofFood.set("")
    CostofDrinks.set("")
    ServiceCharge.set("")
    txtReceipt.delete("1.0",END)


    E_Sprite.set("0")
    E_Pepsi.set("0")
    E_DietCoke.set("0")
    E_Mojito.set("0")
    E_Cappuccino.set("0")
    E_Fanta.set("0")
    E_CocaCola.set("0")
    E_ColdCoffee.set("0")

    E_HotDog.set("0")
    E_VegBurger.set("0")
    E_Pasta.set("0")
    E_HamBurger.set("0")
    E_Sandwich.set("0")
    E_Fires.set("0")
    E_Spagetti.set("0")
    E_Fazitas.set("0")

    var1.set(0)
    var2.set(0)
    var3.set(0)
    var4.set(0)
    var5.set(0)
    var6.set(0)
    var7.set(0)
    var8.set(0)
    var9.set(0)
    var10.set(0)
    var11.set(0)
    var12.set(0)
    var13.set(0)
    var14.set(0)
    var15.set(0)
    var16.set(0)


    txtSprite.configure(state=DISABLED)
    txtPepsi.configure(state=DISABLED)
    txtDietCoke.configure(state=DISABLED)
    txtMojito.configure(state=DISABLED)
    txtCappuccino.configure(state=DISABLED)
    txtFanta.configure(state=DISABLED)
    txtCocaCola.configure(state=DISABLED)
    txtColdCoffee.configure(state=DISABLED)
    txtHotDog.configure(state=DISABLED)
    txtVegBurger.configure(state=DISABLED)
    txtPasta.configure(state=DISABLED)
    txtHamBurger.configure(state=DISABLED)
    txtSandwich.configure(state=DISABLED)
    txtFires.configure(state=DISABLED)
    txtSpagetti.configure(state=DISABLED)
    txtFazitas.configure(state=DISABLED)

def CostofItem():
    Item1=float(E_Sprite.get())
    Item2=float(E_Pepsi.get())
    Item3=float(E_DietCoke.get())
    Item4=float(E_Mojito.get())
    Item5=float(E_Cappuccino.get())
    Item6=float(E_Fanta.get())
    Item7=float(E_CocaCola.get())
    Item8=float(E_ColdCoffee.get())

    Item9=float(E_HotDog.get())
    Item10=float(E_VegBurger.get())
    Item11=float(E_Pasta.get())
    Item12=float(E_HamBurger.get())
    Item13=float(E_Sandwich.get())
    Item14=float(E_Fires.get())
    Item15=float(E_Spagetti.get())
    Item16=float(E_Fazitas.get())

    PriceofDrinks =(Item1 * 2) + (Item2 * 2) + (Item3 * 1) + (Item4 * 1) + (Item5 * 1) + (Item6 * 1) + (Item7 * 1) + (Item8 * 1)

    PriceofFood =(Item9 * 5) + (Item10 * 5) + (Item11 * 5) + (Item12 * 5) + (Item13 * 2) + (Item14 * 4) + (Item15 * 2) + (Item16 * 3)



    DrinksPrice = "$",str('%.2f'%(PriceofDrinks))
    FoodPrice =  "$",str('%.2f'%(PriceofFood))
    CostofFood.set(FoodPrice)
    CostofDrinks.set(DrinksPrice)
    SC = "$",str('%.2f'%(1.59))
    ServiceCharge.set(SC)

    SubTotalofITEMS = "$",str('%.2f'%(PriceofDrinks + PriceofFood + 1.59))
    SubTotal.set(SubTotalofITEMS)

    Tax = "$",str('%.2f'%((PriceofDrinks + PriceofFood + 1.59) * 0.15))
    PaidTax.set(Tax)

    TT=((PriceofDrinks + PriceofFood + 1.59) * 0.15)
    TC="$",str('%.2f'%(PriceofDrinks + PriceofFood + 1.59 + TT))
    TotalCost.set(TC)


def chkSprite():
    if(var1.get() == 1):
        txtSprite.configure(state = NORMAL)
        txtSprite.focus()
        txtSprite.delete('0',END)
        E_Sprite.set("")
    elif(var1.get() == 0):
        txtSprite.configure(state = DISABLED)
        E_Sprite.set("0")

def chkPepsi():
    if(var2.get() == 1):
        txtPepsi.configure(state = NORMAL)
        txtPepsi.focus()
        txtPepsi.delete('0',END)
        E_Pepsi.set("")
    elif(var2.get() == 0):
        txtPepsi.configure(state = DISABLED)
        E_Pepsi.set("0")

def chk_DietCoke():
    if(var3.get() == 1):
        txtDietCoke.configure(state = NORMAL)
        txtDietCoke.delete('0',END)
        txtDietCoke.focus()
    elif(var3.get() == 0):
        txtDietCoke.configure(state = DISABLED)
        E_DietCoke.set("0")

def chk_Mojito():
    if(var4.get() == 1):
        txtMojito.configure(state = NORMAL)
        txtMojito.delete('0',END)
        txtMojito.focus()
    elif(var4.get() == 0):
        txtMojito.configure(state = DISABLED)
        E_Mojito.set("0")

def chk_Cappuccino():
    if(var5.get() == 1):
        txtCappuccino.configure(state = NORMAL)
        txtCappuccino.delete('0',END)
        txtCappuccino.focus()
    elif(var5.get() == 0):
        txtCappuccino.configure(state = DISABLED)
        E_Cappuccino.set("0")

def chk_Fanta():
    if(var6.get() == 1):
        txtFanta.configure(state = NORMAL)
        txtFanta.delete('0',END)
        txtFanta.focus()
    elif(var6.get() == 0):
        txtFanta.configure(state = DISABLED)
        E_Fanta.set("0")

def chk_CocaCola():
    if(var7.get() == 1):
        txtCocaCola.configure(state = NORMAL)
        txtCocaCola.delete('0',END)
        txtCocaCola.focus()
    elif(var7.get() == 0):
        txtCocaCola.configure(state = DISABLED)
        E_CocaCola.set("0")

def chk_ColdCoffee():
    if(var8.get() == 1):
        txtColdCoffee.configure(state = NORMAL)
        txtColdCoffee.delete('0',END)
        txtColdCoffee.focus()
    elif(var8.get() == 0):
        txtColdCoffee.configure(state = DISABLED)
        E_ColdCoffee.set("0")

def chk_HotDog():
    if(var9.get() == 1):
        txtHotDog.configure(state = NORMAL)
        txtHotDog.delete('0',END)
        txtHotDog.focus()
    elif(var9.get() == 0):
        txtHotDog.configure(state = DISABLED)
        E_HotDog.set("0")

def chk_VegBurger():
    if(var10.get() == 1):
        txtVegBurger.configure(state = NORMAL)
        txtVegBurger.delete('0',END)
        txtVegBurger.focus()
    elif(var10.get() == 0):
        txtVegBurger.configure(state = DISABLED)
        E_VegBurger.set("0")

def chk_Pasta():
    if(var11.get() == 1):
        txtPasta.configure(state = NORMAL)
        txtPasta.delete('0',END)
        txtPasta.focus()
    elif(var11.get() == 0):
        txtPasta.configure(state = DISABLED)
        E_Pasta.set("0")

def chk_HamBurger():
    if(var12.get() == 1):
        txtHamBurger.configure(state = NORMAL)
        txtHamBurger.delete('0',END)
        txtHamBurger.focus()
    elif(var12.get() == 0):
        txtHamBurger.configure(state = DISABLED)
        E_HamBurger.set("0")

def chk_Sandwich():
    if(var13.get() == 1):
        txtSandwich.configure(state = NORMAL)
        txtSandwich.delete('0',END)
        txtSandwich.focus()
    elif(var13.get() == 0):
        txtSandwich.configure(state = DISABLED)
        E_Sandwich.set("0")

def chk_Fires():
    if(var14.get() == 1):
        txtFires.configure(state = NORMAL)
        txtFires.delete('0',END)
        txtFires.focus()
    elif(var14.get() == 0):
        txtFires.configure(state = DISABLED)
        E_Fires.set("0")

def chk_Spagetti():
    if(var15.get() == 1):
        txtSpagetti.configure(state = NORMAL)
        txtSpagetti.delete('0',END)
        txtSpagetti.focus()
    elif(var15.get() == 0):
        txtSpagetti.configure(state = DISABLED)
        E_Spagetti.set("0")

def chk_Fazitas():
    if(var16.get() == 1):
        txtFazitas.configure(state = NORMAL)
        txtFazitas.delete('0',END)
        txtFazitas.focus()
    elif(var16.get() == 0):
        txtFazitas.configure(state = DISABLED)
        E_Fazitas.set("0")

def Receipt():
    txtReceipt.delete("1.0",END)
    x=random.randint(10908,500876)
    randomRef= str(x)
    Receipt_Ref.set("Bill"+ randomRef)


    txtReceipt.insert(END,'Receipt Ref:\t\t\t'+Receipt_Ref.get() +'\t'+ DateofOrder.get() +'\n')
    txtReceipt.insert(END,'Items\t\t\t\t'+"Cost of Items \n")
    txtReceipt.insert(END,'Sprite:\t\t\t\t\t' + E_Sprite.get() +'\n')
    txtReceipt.insert(END,'Pepsi:\t\t\t\t\t'+ E_Pepsi.get()+'\n')
    txtReceipt.insert(END,'DietCoke:\t\t\t\t\t'+ E_DietCoke.get()+'\n')
    txtReceipt.insert(END,'Mojito:\t\t\t\t\t'+ E_Mojito.get()+'\n')
    txtReceipt.insert(END,'Cappuccino:\t\t\t\t\t'+ E_Cappuccino.get()+'\n')
    txtReceipt.insert(END,'Fanta:\t\t\t\t\t'+ E_Fanta.get()+'\n')
    txtReceipt.insert(END,'CocaCola:\t\t\t\t\t'+ E_CocaCola.get()+'\n')
    txtReceipt.insert(END,'ColdCoffee:\t\t\t\t\t'+ E_ColdCoffee.get()+'\n')
    txtReceipt.insert(END,'HotDog:\t\t\t\t\t'+ E_HotDog.get()+'\n')
    txtReceipt.insert(END,'VegBurger:\t\t\t\t\t'+ E_VegBurger.get()+'\n')
    txtReceipt.insert(END,'Pasta:\t\t\t\t\t'+ E_Pasta.get()+'\n')
    txtReceipt.insert(END,'HamBurger:\t\t\t\t\t'+ E_HamBurger.get()+'\n')
    txtReceipt.insert(END,'Sandwich:\t\t\t\t\t'+ E_Sandwich.get()+'\n')
    txtReceipt.insert(END,'Fires:\t\t\t\t\t'+ E_Fires.get()+'\n')
    txtReceipt.insert(END,'Spagetti:\t\t\t\t\t'+ E_Spagetti.get()+'\n')
    txtReceipt.insert(END,'Fazitas:\t\t\t\t\t'+ E_Fazitas.get()+'\n')
    txtReceipt.insert(END,'Cost of Drinks:\t\t\t\t\t'+ CostofDrinks.get()+'\nTax Paid:\t\t\t\t'+PaidTax.get()+"\n")
    txtReceipt.insert(END,'Cost of Foods:\t\t\t\t'+ CostofFood.get()+'\nSubTotal:\t\t\t\t'+str(SubTotal.get())+"\n")
    txtReceipt.insert(END,'Service Charge:\t\t\t\t'+ ServiceCharge.get()+'\nTotal Cost:\t\t\t\t'+str(TotalCost.get())+"\n")


Sprite=Checkbutton(Drinks_F,text='Sprite',variable=var1,onvalue=1,offvalue=0,font=('arial',18,'bold'),
                    bg='light blue',command=chkSprite).grid(row=0,sticky=W)
Pepsi=Checkbutton(Drinks_F,text='Pepsi',variable=var2,onvalue=1,offvalue=0,font=('arial',18,'bold'),
                    bg='light blue',command=chkPepsi).grid(row=1,sticky=W)
DietCoke=Checkbutton(Drinks_F,text='DietCoke',variable=var3,onvalue=1,offvalue=0,font=('arial',18,'bold'),
                    bg='light blue',command=chk_DietCoke).grid(row=2,sticky=W)
Mojito=Checkbutton(Drinks_F,text='Mojito',variable=var4,onvalue=1,offvalue=0,font=('arial',18,'bold'),
                    bg='light blue',command=chk_Mojito).grid(row=3,sticky=W)
Cappuccino=Checkbutton(Drinks_F,text='Cappuccino',variable=var5,onvalue=1,offvalue=0,font=('arial',18,'bold'),
                    bg='light blue',command=chk_Cappuccino).grid(row=4,sticky=W)
Fanta=Checkbutton(Drinks_F,text='Fanta',variable=var6,onvalue=1,offvalue=0,font=('arial',18,'bold'),
                    bg='light blue',command=chk_Fanta).grid(row=5,sticky=W)
CocaCola=Checkbutton(Drinks_F,text='CocaCola',variable=var7,onvalue=1,offvalue=0,font=('arial',18,'bold'),
                    bg='light blue',command=chk_CocaCola).grid(row=6,sticky=W)
ColdCoffee=Checkbutton(Drinks_F,text='ColdCoffee',variable=var8,onvalue=1,offvalue=0,font=('arial',18,'bold'),
                    bg='light blue',command=chk_ColdCoffee).grid(row=7,sticky=W)

txtSprite = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED
                        ,textvariable=E_Sprite)
txtSprite.grid(row=0,column=1)

txtPepsi = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED
                        ,textvariable=E_Pepsi)
txtPepsi.grid(row=1,column=1)

txtDietCoke = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED
                        ,textvariable=E_DietCoke)
txtDietCoke.grid(row=2,column=1)

txtMojito= Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED
                        ,textvariable=E_Mojito)
txtMojito.grid(row=3,column=1)

txtCappuccino = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED
                        ,textvariable=E_Cappuccino)
txtCappuccino.grid(row=4,column=1)

txtFanta = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED
                        ,textvariable=E_Fanta)
txtFanta.grid(row=5,column=1)

txtCocaCola = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED
                        ,textvariable=E_CocaCola)
txtCocaCola.grid(row=6,column=1)

txtColdCoffee = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED
                        ,textvariable=E_ColdCoffee)
txtColdCoffee.grid(row=7,column=1)

HotDog = Checkbutton(Food_F,text="HotDog\t\t\t ",variable=var9,onvalue = 1, offvalue=0,
                        font=('arial',16,'bold'),bg='light blue',command=chk_HotDog).grid(row=0,sticky=W)
VegBurger = Checkbutton(Food_F,text="VegBurger",variable=var10,onvalue = 1, offvalue=0,
                        font=('arial',16,'bold'),bg='light blue',command=chk_VegBurger).grid(row=1,sticky=W)
Pasta = Checkbutton(Food_F,text="Pasta ",variable=var11,onvalue = 1, offvalue=0,
                        font=('arial',16,'bold'),bg='light blue',command=chk_Pasta).grid(row=2,sticky=W)
HamBurger = Checkbutton(Food_F,text="Rice Plate ",variable=var12,onvalue = 1, offvalue=0,
                        font=('arial',16,'bold'),bg='light blue',command=chk_HamBurger).grid(row=3,sticky=W)
Sandwich = Checkbutton(Food_F,text="Sandwich ",variable=var13,onvalue = 1, offvalue=0,
                        font=('arial',16,'bold'),bg='light blue',command=chk_Sandwich).grid(row=4,sticky=W)
Fires = Checkbutton(Food_F,text="Fires ",variable=var14,onvalue = 1, offvalue=0,
                        font=('arial',16,'bold'),bg='light blue',command=chk_Fires).grid(row=5,sticky=W)
Spagetti = Checkbutton(Food_F,text="Spagetti ",variable=var15,onvalue = 1, offvalue=0,
                        font=('arial',16,'bold'),bg='light blue',command=chk_Spagetti).grid(row=6,sticky=W)
Fazitas = Checkbutton(Food_F,text="Fazitas ",variable=var16,onvalue = 1, offvalue=0,
                        font=('arial',16,'bold'),bg='light blue',command=chk_Fazitas).grid(row=7,sticky=W)

txtHotDog=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,
                        textvariable=E_HotDog)
txtHotDog.grid(row=0,column=1)

txtVegBurger=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,
                        textvariable=E_VegBurger)
txtVegBurger.grid(row=1,column=1)

txtPasta=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,
                        textvariable=E_Pasta)
txtPasta.grid(row=2,column=1)

txtHamBurger=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,
                        textvariable=E_HamBurger)
txtHamBurger.grid(row=3,column=1)

txtSandwich=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,
                        textvariable=E_Sandwich)
txtSandwich.grid(row=4,column=1)

txtFires=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,
                        textvariable=E_Fires)
txtFires.grid(row=5,column=1)

txtSpagetti=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,
                        textvariable=E_Spagetti)
txtSpagetti.grid(row=6,column=1)

txtFazitas=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,
                        textvariable=E_Fazitas)
txtFazitas.grid(row=7,column=1)

lblCostofDrinks=Label(Cost_F,font=('arial',14,'bold'),text='Cost of Drinks\t',bg='light blue',
                fg='black',justify=CENTER)
lblCostofDrinks.grid(row=0,column=0,sticky=W)
txtCostofDrinks=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),
                        insertwidth=2,justify=RIGHT,textvariable=CostofDrinks)
txtCostofDrinks.grid(row=0,column=1)

lblCostofFood=Label(Cost_F,font=('arial',14,'bold'),text='Cost of Foods  ',bg='light blue',
                fg='black',justify=CENTER)
lblCostofFood.grid(row=1,column=0,sticky=W)
txtCostofFood=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),
                        insertwidth=2,justify=RIGHT,textvariable=CostofFood)
txtCostofFood.grid(row=1,column=1)

lblServiceCharge=Label(Cost_F,font=('arial',14,'bold'),text='Service Charge',bg='light blue',
                fg='black',justify=CENTER)
lblServiceCharge.grid(row=2,column=0,sticky=W)
txtServiceCharge=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),
                        insertwidth=2,justify=RIGHT,textvariable=ServiceCharge)
txtServiceCharge.grid(row=2,column=1)

lblPaidTax=Label(Cost_F,font=('arial',14,'bold'),text='\tPaid Tax',bg='light blue',bd=7,
                fg='black',justify=CENTER)
lblPaidTax.grid(row=0,column=2,sticky=W)
txtPaidTax=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),
                        insertwidth=2,justify=RIGHT,textvariable=PaidTax)
txtPaidTax.grid(row=0,column=3)

lblSubTotal=Label(Cost_F,font=('arial',14,'bold'),text='\tSub Total',bg='light blue',bd=7,
                fg='black',justify=CENTER)
lblSubTotal.grid(row=1,column=2,sticky=W)
txtSubTotal=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),
                        insertwidth=2,justify=RIGHT,textvariable=SubTotal)
txtSubTotal.grid(row=1,column=3)

lblTotalCost=Label(Cost_F,font=('arial',14,'bold'),text='\tTotal',bg='light blue',bd=7,
                fg='black',justify=CENTER)
lblTotalCost.grid(row=2,column=2,sticky=W)
txtTotalCost=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),
                        insertwidth=2,justify=RIGHT,textvariable=TotalCost)
txtTotalCost.grid(row=2,column=3)

txtReceipt=Text(Receipt_F,width=46,height=12,bg='white',bd=4,font=('arial',12,'bold'))
txtReceipt.grid(row=0,column=0)


btnTotal=Button(Buttons_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='Total',
                        bg='light blue',command=CostofItem).grid(row=0,column=0)
btnReceipt=Button(Buttons_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='Receipt',
                        bg='light blue',command=Receipt).grid(row=0,column=1)
btnReset=Button(Buttons_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='Reset',
                        bg='light blue',command=Reset).grid(row=0,column=2)
btnExit=Button(Buttons_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='Exit',
                        bg='light blue',command=iExit).grid(row=0,column=3)




def btnClick(numbers):
    global operator
    operator = operator + str(numbers)
    text_Input.set(operator)

def btnClear():
    global operator
    operator = ""
    text_Input.set("")

def btnEquals():
    global operator
    sumup = str(eval(operator))
    text_Input.set(sumup)
    operator = ""




txtDisplay=Entry(Cal_F,width=45,bg='white',bd=4,font=('arial',12,'bold'),justify=RIGHT,textvariable=text_Input)
txtDisplay.grid(row=0,column=0,columnspan=4,pady=1)
txtDisplay.insert(0,"0")

btn7=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='7',
                        bg='light blue',command=lambda:btnClick(7)).grid(row=2,column=0)
btn8=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='8',
                        bg='light blue',command=lambda:btnClick(8)).grid(row=2,column=1)
btn9=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='9',
                        bg='light blue',command=lambda:btnClick(9)).grid(row=2,column=2)
btnAdd=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='+',
                        bg='light blue',command=lambda:btnClick('+')).grid(row=2,column=3)
btn4=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='4',
                        bg='light blue',command=lambda:btnClick(4)).grid(row=3,column=0)
btn5=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='5',
                        bg='light blue',command=lambda:btnClick(5)).grid(row=3,column=1)
btn6=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='6',
                        bg='light blue',command=lambda:btnClick(6)).grid(row=3,column=2)
btnSub=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='-',
                        bg='light blue',command=lambda:btnClick('-')).grid(row=3,column=3)
btn1=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='1',
                        bg='light blue',command=lambda:btnClick(1)).grid(row=4,column=0)
btn2=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='2',
                        bg='light blue',command=lambda:btnClick(2)).grid(row=4,column=1)
btn3=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='3',
                        bg='light blue',command=lambda:btnClick(3)).grid(row=4,column=2)
btnMulti=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='*',
                        bg='light blue',command=lambda:btnClick('*')).grid(row=4,column=3)
btn0=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='0',
                        bg='light blue',command=lambda:btnClick(0)).grid(row=5,column=0)
btnClear=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='C',
                        bg='light blue',command=btnClear).grid(row=5,column=1)
btnEqual=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='=',
                        bg='light blue',command=btnEquals).grid(row=5,column=2)
btnDiv=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='/',
                        bg='light blue',command=lambda:btnClick('/')).grid(row=5,column=3)







root.mainloop()

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from tkinter import *

import time

import datetime

import random

import tkinter.messagebox

root =Tk()

root.geometry("1350x750+0+0")

root.title("Food Billing System")

root.configure(background='light blue')

Tops = Frame(root,bg='light blue',bd=20,pady=5,relief=RIDGE)

Tops.pack(side=TOP)

lblTitle=Label(Tops,font=('arial',60,'bold'),text='Food Billing System',bd=21,bg='black',

fg='cornsilk',justify=CENTER)

lblTitle.grid(row=0)

ReceiptCal_F = Frame(root,bg='light blue',bd=10,relief=RIDGE)

ReceiptCal_F.pack(side=RIGHT)

Buttons_F=Frame(ReceiptCal_F,bg='light blue',bd=3,relief=RIDGE)

Buttons_F.pack(side=BOTTOM)

Cal_F=Frame(ReceiptCal_F,bg='light blue',bd=6,relief=RIDGE)

Cal_F.pack(side=TOP)

Receipt_F=Frame(ReceiptCal_F,bg='light blue',bd=4,relief=RIDGE)

Receipt_F.pack(side=BOTTOM)

MenuFrame = Frame(root,bg='light blue',bd=10,relief=RIDGE)

MenuFrame.pack(side=LEFT)

Cost_F=Frame(MenuFrame,bg='light blue',bd=4)

Cost_F.pack(side=BOTTOM)

Drinks_F=Frame(MenuFrame,bg='light blue',bd=4)

Drinks_F.pack(side=TOP)

Drinks_F=Frame(MenuFrame,bg='light blue',bd=4,relief=RIDGE)

Drinks_F.pack(side=LEFT)

Food_F=Frame(MenuFrame,bg='light blue',bd=4,relief=RIDGE)

Food_F.pack(side=RIGHT)

var1=IntVar()

var2=IntVar()

var3=IntVar()

var4=IntVar()

var5=IntVar()

var6=IntVar()

var7=IntVar()

var8=IntVar()

var9=IntVar()

var10=IntVar()

var11=IntVar()

var12=IntVar()

var13=IntVar()

var14=IntVar()

var15=IntVar()

var16=IntVar()

DateofOrder = StringVar()

Receipt_Ref = StringVar()

PaidTax = StringVar()

SubTotal = StringVar()

TotalCost = StringVar()

CostofFood = StringVar()

CostofDrinks = StringVar()

ServiceCharge = StringVar()

text_Input = StringVar()

operator = ""

E_Sprite = StringVar()

E_Pepsi = StringVar()

E_DietCoke = StringVar()

E_Mojito = StringVar()

E_Cappuccino = StringVar()

E_Fanta = StringVar()

E_CocaCola = StringVar()

E_ColdCoffee = StringVar()

E_HotDog = StringVar()

E_VegBurger = StringVar()

E_Pasta = StringVar()

E_HamBurger = StringVar()

E_Sandwich = StringVar()

E_Fires = StringVar()

E_Spagetti = StringVar()

E_Fazitas = StringVar()

E_Sprite.set("0")

E_Pepsi.set("0")

E_DietCoke.set("0")

E_Mojito.set("0")

E_Cappuccino.set("0")

E_Fanta.set("0")

E_CocaCola.set("0")

E_ColdCoffee.set("0")

E_HotDog.set("0")

E_VegBurger.set("0")

E_Pasta.set("0")

E_HamBurger.set("0")

E_Sandwich.set("0")

E_Fires.set("0")

E_Spagetti.set("0")

E_Fazitas.set("0")

DateofOrder.set(time.strftime("%d/%m/%y"))

##########################################Function Declaration####################################################

def iExit():

iExit=tkinter.messagebox.askyesno("Exit Restaurant System","Confirm if you want to exit")

if iExit > 0:

root.destroy()

return

def Reset():

PaidTax.set("")

SubTotal.set("")

TotalCost.set("")

CostofFood.set("")

CostofDrinks.set("")

ServiceCharge.set("")

txtReceipt.delete("1.0",END)

E_Sprite.set("0")

E_Pepsi.set("0")

E_DietCoke.set("0")

E_Mojito.set("0")

E_Cappuccino.set("0")

E_Fanta.set("0")

E_CocaCola.set("0")

E_ColdCoffee.set("0")

E_HotDog.set("0")

E_VegBurger.set("0")

E_Pasta.set("0")

E_HamBurger.set("0")

E_Sandwich.set("0")

E_Fires.set("0")

E_Spagetti.set("0")

E_Fazitas.set("0")

var1.set(0)

var2.set(0)

var3.set(0)

var4.set(0)

var5.set(0)

var6.set(0)

var7.set(0)

var8.set(0)

var9.set(0)

var10.set(0)

var11.set(0)

var12.set(0)

var13.set(0)

var14.set(0)

var15.set(0)

var16.set(0)

txtSprite.configure(state=DISABLED)

txtPepsi.configure(state=DISABLED)

txtDietCoke.configure(state=DISABLED)

txtMojito.configure(state=DISABLED)

txtCappuccino.configure(state=DISABLED)

txtFanta.configure(state=DISABLED)

txtCocaCola.configure(state=DISABLED)

txtColdCoffee.configure(state=DISABLED)

txtHotDog.configure(state=DISABLED)

txtVegBurger.configure(state=DISABLED)

txtPasta.configure(state=DISABLED)

txtHamBurger.configure(state=DISABLED)

txtSandwich.configure(state=DISABLED)

txtFires.configure(state=DISABLED)

txtSpagetti.configure(state=DISABLED)

txtFazitas.configure(state=DISABLED)

def CostofItem():

Item1=float(E_Sprite.get())

Item2=float(E_Pepsi.get())

Item3=float(E_DietCoke.get())

Item4=float(E_Mojito.get())

Item5=float(E_Cappuccino.get())

Item6=float(E_Fanta.get())

Item7=float(E_CocaCola.get())

Item8=float(E_ColdCoffee.get())

Item9=float(E_HotDog.get())

Item10=float(E_VegBurger.get())

Item11=float(E_Pasta.get())

Item12=float(E_HamBurger.get())

Item13=float(E_Sandwich.get())

Item14=float(E_Fires.get())

Item15=float(E_Spagetti.get())

Item16=float(E_Fazitas.get())

PriceofDrinks =(Item1 * 2) + (Item2 * 2) + (Item3 * 1) + (Item4 * 1) + (Item5 * 1) + (Item6 * 1) + (Item7 * 1) + (Item8 * 1)

PriceofFood =(Item9 * 5) + (Item10 * 5) + (Item11 * 5) + (Item12 * 5) + (Item13 * 2) + (Item14 * 4) + (Item15 * 2) + (Item16 * 3)

DrinksPrice = "$",str('%.2f'%(PriceofDrinks))

FoodPrice = "$",str('%.2f'%(PriceofFood))

CostofFood.set(FoodPrice)

CostofDrinks.set(DrinksPrice)

SC = "$",str('%.2f'%(1.59))

ServiceCharge.set(SC)

SubTotalofITEMS = "$",str('%.2f'%(PriceofDrinks + PriceofFood + 1.59))

SubTotal.set(SubTotalofITEMS)

Tax = "$",str('%.2f'%((PriceofDrinks + PriceofFood + 1.59) * 0.15))

PaidTax.set(Tax)

TT=((PriceofDrinks + PriceofFood + 1.59) * 0.15)

TC="$",str('%.2f'%(PriceofDrinks + PriceofFood + 1.59 + TT))

TotalCost.set(TC)

def chkSprite():

if(var1.get() == 1):

txtSprite.configure(state = NORMAL)

txtSprite.focus()

txtSprite.delete('0',END)

E_Sprite.set("")

elif(var1.get() == 0):

txtSprite.configure(state = DISABLED)

E_Sprite.set("0")

def chkPepsi():

if(var2.get() == 1):

txtPepsi.configure(state = NORMAL)

txtPepsi.focus()

txtPepsi.delete('0',END)

E_Pepsi.set("")

elif(var2.get() == 0):

txtPepsi.configure(state = DISABLED)

E_Pepsi.set("0")

def chk_DietCoke():

if(var3.get() == 1):

txtDietCoke.configure(state = NORMAL)

txtDietCoke.delete('0',END)

txtDietCoke.focus()

elif(var3.get() == 0):

txtDietCoke.configure(state = DISABLED)

E_DietCoke.set("0")

def chk_Mojito():

if(var4.get() == 1):

txtMojito.configure(state = NORMAL)

txtMojito.delete('0',END)

txtMojito.focus()

elif(var4.get() == 0):

txtMojito.configure(state = DISABLED)

E_Mojito.set("0")

def chk_Cappuccino():

if(var5.get() == 1):

txtCappuccino.configure(state = NORMAL)

txtCappuccino.delete('0',END)

txtCappuccino.focus()

elif(var5.get() == 0):

txtCappuccino.configure(state = DISABLED)

E_Cappuccino.set("0")

def chk_Fanta():

if(var6.get() == 1):

txtFanta.configure(state = NORMAL)

txtFanta.delete('0',END)

txtFanta.focus()

elif(var6.get() == 0):

txtFanta.configure(state = DISABLED)

E_Fanta.set("0")

def chk_CocaCola():

if(var7.get() == 1):

txtCocaCola.configure(state = NORMAL)

txtCocaCola.delete('0',END)

txtCocaCola.focus()

elif(var7.get() == 0):

txtCocaCola.configure(state = DISABLED)

E_CocaCola.set("0")

def chk_ColdCoffee():

if(var8.get() == 1):

txtColdCoffee.configure(state = NORMAL)

txtColdCoffee.delete('0',END)

txtColdCoffee.focus()

elif(var8.get() == 0):

txtColdCoffee.configure(state = DISABLED)

E_ColdCoffee.set("0")

def chk_HotDog():

if(var9.get() == 1):

txtHotDog.configure(state = NORMAL)

txtHotDog.delete('0',END)

txtHotDog.focus()

elif(var9.get() == 0):

txtHotDog.configure(state = DISABLED)

E_HotDog.set("0")

def chk_VegBurger():

if(var10.get() == 1):

txtVegBurger.configure(state = NORMAL)

txtVegBurger.delete('0',END)

txtVegBurger.focus()

elif(var10.get() == 0):

txtVegBurger.configure(state = DISABLED)

E_VegBurger.set("0")

def chk_Pasta():

if(var11.get() == 1):

txtPasta.configure(state = NORMAL)

txtPasta.delete('0',END)

txtPasta.focus()

elif(var11.get() == 0):

txtPasta.configure(state = DISABLED)

E_Pasta.set("0")

def chk_HamBurger():

if(var12.get() == 1):

txtHamBurger.configure(state = NORMAL)

txtHamBurger.delete('0',END)

txtHamBurger.focus()

elif(var12.get() == 0):

txtHamBurger.configure(state = DISABLED)

E_HamBurger.set("0")

def chk_Sandwich():

if(var13.get() == 1):

txtSandwich.configure(state = NORMAL)

txtSandwich.delete('0',END)

txtSandwich.focus()

elif(var13.get() == 0):

txtSandwich.configure(state = DISABLED)

E_Sandwich.set("0")

def chk_Fires():

if(var14.get() == 1):

txtFires.configure(state = NORMAL)

txtFires.delete('0',END)

txtFires.focus()

elif(var14.get() == 0):

txtFires.configure(state = DISABLED)

E_Fires.set("0")

def chk_Spagetti():

if(var15.get() == 1):

txtSpagetti.configure(state = NORMAL)

txtSpagetti.delete('0',END)

txtSpagetti.focus()

elif(var15.get() == 0):

txtSpagetti.configure(state = DISABLED)

E_Spagetti.set("0")

def chk_Fazitas():

if(var16.get() == 1):

txtFazitas.configure(state = NORMAL)

txtFazitas.delete('0',END)

txtFazitas.focus()

elif(var16.get() == 0):

txtFazitas.configure(state = DISABLED)

E_Fazitas.set("0")

def Receipt():

txtReceipt.delete("1.0",END)

x=random.randint(10908,500876)

randomRef= str(x)

Receipt_Ref.set("Bill"+ randomRef)

txtReceipt.insert(END,'Receipt Ref:\t\t\t'+Receipt_Ref.get() +'\t'+ DateofOrder.get() +'\n')

txtReceipt.insert(END,'Items\t\t\t\t'+"Cost of Items \n")

txtReceipt.insert(END,'Sprite:\t\t\t\t\t' + E_Sprite.get() +'\n')

txtReceipt.insert(END,'Pepsi:\t\t\t\t\t'+ E_Pepsi.get()+'\n')

txtReceipt.insert(END,'DietCoke:\t\t\t\t\t'+ E_DietCoke.get()+'\n')

txtReceipt.insert(END,'Mojito:\t\t\t\t\t'+ E_Mojito.get()+'\n')

txtReceipt.insert(END,'Cappuccino:\t\t\t\t\t'+ E_Cappuccino.get()+'\n')

txtReceipt.insert(END,'Fanta:\t\t\t\t\t'+ E_Fanta.get()+'\n')

txtReceipt.insert(END,'CocaCola:\t\t\t\t\t'+ E_CocaCola.get()+'\n')

txtReceipt.insert(END,'ColdCoffee:\t\t\t\t\t'+ E_ColdCoffee.get()+'\n')

txtReceipt.insert(END,'HotDog:\t\t\t\t\t'+ E_HotDog.get()+'\n')

txtReceipt.insert(END,'VegBurger:\t\t\t\t\t'+ E_VegBurger.get()+'\n')

txtReceipt.insert(END,'Pasta:\t\t\t\t\t'+ E_Pasta.get()+'\n')

txtReceipt.insert(END,'HamBurger:\t\t\t\t\t'+ E_HamBurger.get()+'\n')

txtReceipt.insert(END,'Sandwich:\t\t\t\t\t'+ E_Sandwich.get()+'\n')

txtReceipt.insert(END,'Fires:\t\t\t\t\t'+ E_Fires.get()+'\n')

txtReceipt.insert(END,'Spagetti:\t\t\t\t\t'+ E_Spagetti.get()+'\n')

txtReceipt.insert(END,'Fazitas:\t\t\t\t\t'+ E_Fazitas.get()+'\n')

txtReceipt.insert(END,'Cost of Drinks:\t\t\t\t\t'+ CostofDrinks.get()+'\nTax Paid:\t\t\t\t'+PaidTax.get()+"\n")

txtReceipt.insert(END,'Cost of Foods:\t\t\t\t'+ CostofFood.get()+'\nSubTotal:\t\t\t\t'+str(SubTotal.get())+"\n")

txtReceipt.insert(END,'Service Charge:\t\t\t\t'+ ServiceCharge.get()+'\nTotal Cost:\t\t\t\t'+str(TotalCost.get())+"\n")

Sprite=Checkbutton(Drinks_F,text='Sprite',variable=var1,onvalue=1,offvalue=0,font=('arial',18,'bold'),

bg='light blue',command=chkSprite).grid(row=0,sticky=W)

Pepsi=Checkbutton(Drinks_F,text='Pepsi',variable=var2,onvalue=1,offvalue=0,font=('arial',18,'bold'),

bg='light blue',command=chkPepsi).grid(row=1,sticky=W)

DietCoke=Checkbutton(Drinks_F,text='DietCoke',variable=var3,onvalue=1,offvalue=0,font=('arial',18,'bold'),

bg='light blue',command=chk_DietCoke).grid(row=2,sticky=W)

Mojito=Checkbutton(Drinks_F,text='Mojito',variable=var4,onvalue=1,offvalue=0,font=('arial',18,'bold'),

bg='light blue',command=chk_Mojito).grid(row=3,sticky=W)

Cappuccino=Checkbutton(Drinks_F,text='Cappuccino',variable=var5,onvalue=1,offvalue=0,font=('arial',18,'bold'),

bg='light blue',command=chk_Cappuccino).grid(row=4,sticky=W)

Fanta=Checkbutton(Drinks_F,text='Fanta',variable=var6,onvalue=1,offvalue=0,font=('arial',18,'bold'),

bg='light blue',command=chk_Fanta).grid(row=5,sticky=W)

CocaCola=Checkbutton(Drinks_F,text='CocaCola',variable=var7,onvalue=1,offvalue=0,font=('arial',18,'bold'),

bg='light blue',command=chk_CocaCola).grid(row=6,sticky=W)

ColdCoffee=Checkbutton(Drinks_F,text='ColdCoffee',variable=var8,onvalue=1,offvalue=0,font=('arial',18,'bold'),

bg='light blue',command=chk_ColdCoffee).grid(row=7,sticky=W)

txtSprite = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED

,textvariable=E_Sprite)

txtSprite.grid(row=0,column=1)

txtPepsi = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED

,textvariable=E_Pepsi)

txtPepsi.grid(row=1,column=1)

txtDietCoke = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED

,textvariable=E_DietCoke)

txtDietCoke.grid(row=2,column=1)

txtMojito= Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED

,textvariable=E_Mojito)

txtMojito.grid(row=3,column=1)

txtCappuccino = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED

,textvariable=E_Cappuccino)

txtCappuccino.grid(row=4,column=1)

txtFanta = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED

,textvariable=E_Fanta)

txtFanta.grid(row=5,column=1)

txtCocaCola = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED

,textvariable=E_CocaCola)

txtCocaCola.grid(row=6,column=1)

txtColdCoffee = Entry(Drinks_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED

,textvariable=E_ColdCoffee)

txtColdCoffee.grid(row=7,column=1)

HotDog = Checkbutton(Food_F,text="HotDog\t\t\t ",variable=var9,onvalue = 1, offvalue=0,

font=('arial',16,'bold'),bg='light blue',command=chk_HotDog).grid(row=0,sticky=W)

VegBurger = Checkbutton(Food_F,text="VegBurger",variable=var10,onvalue = 1, offvalue=0,

font=('arial',16,'bold'),bg='light blue',command=chk_VegBurger).grid(row=1,sticky=W)

Pasta = Checkbutton(Food_F,text="Pasta ",variable=var11,onvalue = 1, offvalue=0,

font=('arial',16,'bold'),bg='light blue',command=chk_Pasta).grid(row=2,sticky=W)

HamBurger = Checkbutton(Food_F,text="Rice Plate ",variable=var12,onvalue = 1, offvalue=0,

font=('arial',16,'bold'),bg='light blue',command=chk_HamBurger).grid(row=3,sticky=W)

Sandwich = Checkbutton(Food_F,text="Sandwich ",variable=var13,onvalue = 1, offvalue=0,

font=('arial',16,'bold'),bg='light blue',command=chk_Sandwich).grid(row=4,sticky=W)

Fires = Checkbutton(Food_F,text="Fires ",variable=var14,onvalue = 1, offvalue=0,

font=('arial',16,'bold'),bg='light blue',command=chk_Fires).grid(row=5,sticky=W)

Spagetti = Checkbutton(Food_F,text="Spagetti ",variable=var15,onvalue = 1, offvalue=0,

font=('arial',16,'bold'),bg='light blue',command=chk_Spagetti).grid(row=6,sticky=W)

Fazitas = Checkbutton(Food_F,text="Fazitas ",variable=var16,onvalue = 1, offvalue=0,

font=('arial',16,'bold'),bg='light blue',command=chk_Fazitas).grid(row=7,sticky=W)

txtHotDog=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,

textvariable=E_HotDog)

txtHotDog.grid(row=0,column=1)

txtVegBurger=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,

textvariable=E_VegBurger)

txtVegBurger.grid(row=1,column=1)

txtPasta=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,

textvariable=E_Pasta)

txtPasta.grid(row=2,column=1)

txtHamBurger=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,

textvariable=E_HamBurger)

txtHamBurger.grid(row=3,column=1)

txtSandwich=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,

textvariable=E_Sandwich)

txtSandwich.grid(row=4,column=1)

txtFires=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,

textvariable=E_Fires)

txtFires.grid(row=5,column=1)

txtSpagetti=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,

textvariable=E_Spagetti)

txtSpagetti.grid(row=6,column=1)

txtFazitas=Entry(Food_F,font=('arial',16,'bold'),bd=8,width=6,justify=LEFT,state=DISABLED,

textvariable=E_Fazitas)

txtFazitas.grid(row=7,column=1)

lblCostofDrinks=Label(Cost_F,font=('arial',14,'bold'),text='Cost of Drinks\t',bg='light blue',

fg='black',justify=CENTER)

lblCostofDrinks.grid(row=0,column=0,sticky=W)

txtCostofDrinks=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),

insertwidth=2,justify=RIGHT,textvariable=CostofDrinks)

txtCostofDrinks.grid(row=0,column=1)

lblCostofFood=Label(Cost_F,font=('arial',14,'bold'),text='Cost of Foods ',bg='light blue',

fg='black',justify=CENTER)

lblCostofFood.grid(row=1,column=0,sticky=W)

txtCostofFood=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),

insertwidth=2,justify=RIGHT,textvariable=CostofFood)

txtCostofFood.grid(row=1,column=1)

lblServiceCharge=Label(Cost_F,font=('arial',14,'bold'),text='Service Charge',bg='light blue',

fg='black',justify=CENTER)

lblServiceCharge.grid(row=2,column=0,sticky=W)

txtServiceCharge=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),

insertwidth=2,justify=RIGHT,textvariable=ServiceCharge)

txtServiceCharge.grid(row=2,column=1)

lblPaidTax=Label(Cost_F,font=('arial',14,'bold'),text='\tPaid Tax',bg='light blue',bd=7,

fg='black',justify=CENTER)

lblPaidTax.grid(row=0,column=2,sticky=W)

txtPaidTax=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),

insertwidth=2,justify=RIGHT,textvariable=PaidTax)

txtPaidTax.grid(row=0,column=3)

lblSubTotal=Label(Cost_F,font=('arial',14,'bold'),text='\tSub Total',bg='light blue',bd=7,

fg='black',justify=CENTER)

lblSubTotal.grid(row=1,column=2,sticky=W)

txtSubTotal=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),

insertwidth=2,justify=RIGHT,textvariable=SubTotal)

txtSubTotal.grid(row=1,column=3)

lblTotalCost=Label(Cost_F,font=('arial',14,'bold'),text='\tTotal',bg='light blue',bd=7,

fg='black',justify=CENTER)

lblTotalCost.grid(row=2,column=2,sticky=W)

txtTotalCost=Entry(Cost_F,bg='white',bd=7,font=('arial',14,'bold'),

insertwidth=2,justify=RIGHT,textvariable=TotalCost)

txtTotalCost.grid(row=2,column=3)

txtReceipt=Text(Receipt_F,width=46,height=12,bg='white',bd=4,font=('arial',12,'bold'))

txtReceipt.grid(row=0,column=0)

btnTotal=Button(Buttons_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='Total',

bg='light blue',command=CostofItem).grid(row=0,column=0)

btnReceipt=Button(Buttons_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='Receipt',

bg='light blue',command=Receipt).grid(row=0,column=1)

btnReset=Button(Buttons_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='Reset',

bg='light blue',command=Reset).grid(row=0,column=2)

btnExit=Button(Buttons_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='Exit',

bg='light blue',command=iExit).grid(row=0,column=3)

def btnClick(numbers):

global operator

operator = operator + str(numbers)

text_Input.set(operator)

def btnClear():

global operator

operator = ""

text_Input.set("")

def btnEquals():

global operator

sumup = str(eval(operator))

text_Input.set(sumup)

operator = ""

txtDisplay=Entry(Cal_F,width=45,bg='white',bd=4,font=('arial',12,'bold'),justify=RIGHT,textvariable=text_Input)

txtDisplay.grid(row=0,column=0,columnspan=4,pady=1)

txtDisplay.insert(0,"0")

btn7=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='7',

bg='light blue',command=lambda:btnClick(7)).grid(row=2,column=0)

btn8=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='8',

bg='light blue',command=lambda:btnClick(8)).grid(row=2,column=1)

btn9=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='9',

bg='light blue',command=lambda:btnClick(9)).grid(row=2,column=2)

btnAdd=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='+',

bg='light blue',command=lambda:btnClick('+')).grid(row=2,column=3)

btn4=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='4',

bg='light blue',command=lambda:btnClick(4)).grid(row=3,column=0)

btn5=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='5',

bg='light blue',command=lambda:btnClick(5)).grid(row=3,column=1)

btn6=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='6',

bg='light blue',command=lambda:btnClick(6)).grid(row=3,column=2)

btnSub=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='-',

bg='light blue',command=lambda:btnClick('-')).grid(row=3,column=3)

btn1=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='1',

bg='light blue',command=lambda:btnClick(1)).grid(row=4,column=0)

btn2=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='2',

bg='light blue',command=lambda:btnClick(2)).grid(row=4,column=1)

btn3=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='3',

bg='light blue',command=lambda:btnClick(3)).grid(row=4,column=2)

btnMulti=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='*',

bg='light blue',command=lambda:btnClick('*')).grid(row=4,column=3)

btn0=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='0',

bg='light blue',command=lambda:btnClick(0)).grid(row=5,column=0)

btnClear=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='C',

bg='light blue',command=btnClear).grid(row=5,column=1)

btnEqual=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='=',

bg='light blue',command=btnEquals).grid(row=5,column=2)

btnDiv=Button(Cal_F,padx=16,pady=1,bd=7,fg='black',font=('arial',16,'bold'),width=4,text='/',

bg='light blue',command=lambda:btnClick('/')).grid(row=5,column=3)

root.mainloop()

Download Food and Pizza Bill Management System Project in Python

Food and Pizza Bill Management System Project in Python

Download Code of Food and Pizza Bill Management System Project in Python

Functional requirements of Food and Pizza Bill Management System

Download Food and Pizza Bill Management System Project in Python

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