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main.py
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main.py
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from tkinter import *
import random
import time
import datetime
import tkinter.messagebox
root = Tk()
root.geometry("1350x750+0+0")
root.title("Restaurant Management System")
root.configure(background = 'Cadet Blue')
Tops = Frame(root, bg="Cadet Blue", bd=20, pady=5, relief=RIDGE)
Tops.pack(side=TOP)
lblTitle = Label(Tops, font=('arial', 60, 'bold'), text="Restaurant Management System", bd=21, bg='Cadet Blue', fg='Cornsilk', justify=CENTER)
lblTitle.grid(row=0, column=0)
ReceiptCal_F = Frame(root, bg="Powder Blue", bd=10, relief=RIDGE)
ReceiptCal_F.pack(side=RIGHT)
Buttons_F = Frame(ReceiptCal_F, bg="Powder Blue", bd=3, relief=RIDGE)
Buttons_F.pack(side=BOTTOM)
Cal_F = Frame(ReceiptCal_F, bg="Powder Blue", bd=6, relief=RIDGE)
Cal_F.pack(side=TOP)
Receipt_F = Frame(ReceiptCal_F, bg="Powder Blue", bd=4, relief=RIDGE)
Receipt_F.pack(side=BOTTOM)
MenuFrame = Frame(root, bg="Cadet Blue", bd=10, relief=RIDGE)
MenuFrame.pack(side=LEFT)
Cost_F = Frame(MenuFrame, bg="Cadet Blue", bd=4)
Cost_F.pack(side=BOTTOM)
Drinks_F = Frame(MenuFrame, bg="Powder Blue", bd=10, relief=RIDGE)
Drinks_F.pack(side=LEFT)
Cake_F = Frame(MenuFrame, bg="Powder Blue", bd=10, relief=RIDGE)
Cake_F.pack(side=RIGHT)
#=============================Variables==========================================================================================================================================================
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()
CostOfCakes = StringVar()
CostOfDrinks = StringVar()
ServiceCharge = StringVar()
text_input = StringVar()
operator = ""
E_Latta = StringVar()
E_Espresso = StringVar()
E_Iced_Latta = StringVar()
E_Vale_Coffee = StringVar()
E_Cappuccino = StringVar()
E_African_Coffee = StringVar()
E_American_Coffee = StringVar()
E_Iced_Cappuccino = StringVar()
E_West_African_Cake = StringVar()
E_Tarte = StringVar()
E_Lagos_Chocolate_Cake = StringVar()
E_Kilburn_Chocolate_Cake = StringVar()
E_Carlton_Hill_Cake = StringVar()
E_Queen_Park_Cake = StringVar()
E_Jonathan_YO_Cake = StringVar()
E_School_Cake = StringVar()
E_Latta.set("0")
E_Espresso.set("0")
E_Iced_Latta.set("0")
E_Vale_Coffee.set("0")
E_Cappuccino.set("0")
E_African_Coffee.set("0")
E_American_Coffee.set("0")
E_Iced_Cappuccino.set("0")
E_West_African_Cake.set("0")
E_Tarte.set("0")
E_Lagos_Chocolate_Cake.set("0")
E_Kilburn_Chocolate_Cake.set("0")
E_Carlton_Hill_Cake.set("0")
E_Queen_Park_Cake.set("0")
E_Jonathan_YO_Cake.set("0")
E_School_Cake.set("0")
DateOfOrder.set(time.strftime("%d/%m/%Y"))
#===============================Functions============================================================================================================================================================
def iExit():
iExit = tkinter.messagebox.askyesno("Exit System?", "Are You Sure You Want To Exit?")
if iExit > 0:
root.destroy()
return
def Reset():
PaidTax.set("")
SubTotal.set("")
TotalCost.set("")
CostOfCakes.set("")
CostOfDrinks.set("")
ServiceCharge.set("")
txt_Receipt.delete("1.0",END)
E_Latta.set("0")
E_Espresso.set("0")
E_Iced_Latta.set("0")
E_Vale_Coffee.set("0")
E_Cappuccino.set("0")
E_African_Coffee.set("0")
E_American_Coffee.set("0")
E_Iced_Cappuccino.set("0")
E_West_African_Cake.set("0")
E_Tarte.set("0")
E_Lagos_Chocolate_Cake.set("0")
E_Kilburn_Chocolate_Cake.set("0")
E_Carlton_Hill_Cake.set("0")
E_Queen_Park_Cake.set("0")
E_Jonathan_YO_Cake.set("0")
E_School_Cake.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)
txt_West_African_Cake.configure(state = DISABLED)
txt_Tarte.configure(state = DISABLED)
txt_Lagos_Chocolate_Cake.configure(state = DISABLED)
txt_Kilburn_Chocolate_Cake.configure(state = DISABLED)
txt_Carlton_Hill_Cake.configure(state = DISABLED)
txt_Queen_Park_Cake.configure(state = DISABLED)
txt_Jonathan_YO_Cake.configure(state = DISABLED)
txt_School_Cake.configure(state = DISABLED)
txt_Latta.configure(state = DISABLED)
txt_Espresso.configure(state = DISABLED)
txt_Iced_Latta.configure(state = DISABLED)
txt_Vale_Coffee.configure(state = DISABLED)
txt_Cappuccino.configure(state = DISABLED)
txt_African_Coffee.configure(state = DISABLED)
txt_American_Coffee.configure(state = DISABLED)
txt_Iced_Cappuccino.configure(state = DISABLED)
def CostOfItem():
#Store every item value in a variable
Item1 = float(E_Latta.get())
Item2 = float(E_Espresso.get())
Item3 = float(E_Iced_Latta.get())
Item4 = float(E_Vale_Coffee.get())
Item5 = float(E_Cappuccino.get())
Item6 = float(E_African_Coffee.get())
Item7 = float(E_American_Coffee.get())
Item8 = float(E_Iced_Cappuccino.get())
Item9 = float(E_School_Cake.get())
Item10 = float(E_Tarte.get())
Item11 = float(E_Jonathan_YO_Cake.get())
Item12 = float(E_West_African_Cake.get())
Item13 = float(E_Lagos_Chocolate_Cake.get())
Item14 = float(E_Kilburn_Chocolate_Cake.get())
Item15 = float(E_Carlton_Hill_Cake.get())
Item16 = float(E_Queen_Park_Cake.get())
#Item(x) * Price of this item
PriceOfDrinks = (Item1 * 1.2) + (Item2 * 1.2) + (Item3 * 1.2) + (Item4 * 1.2) + (Item5 * 1.2) + (Item6 * 1.2) + (Item7 * 1.2) + (Item8 * 1.2)
PriceOfCakes = (Item9 * 1.5) + (Item10 * 1.5) + (Item11 * 1.5) + (Item12 * 1.5) + (Item13 * 1.5) + (Item14 * 1.5) + (Item15 * 1.5) + (Item16 * 1.5)
DrinksPrice = str("%.2f"%(PriceOfDrinks)), "$"
CakesPrice = str("%.2f"%(PriceOfCakes)), "$"
CostOfCakes.set(CakesPrice)
CostOfDrinks.set(DrinksPrice)
#Service charged is fixed
SC = str("%.2f"%(1.59)), "$" #Service Charge = SC
ServiceCharge.set(SC)
#SubTotal is totalcost of items without tax
SubTotalOfItems = str("%.2f"%(PriceOfCakes + PriceOfDrinks + 1.59)), "$"
SubTotal.set(SubTotalOfItems)
Tax = str("%.2f"%((PriceOfDrinks + PriceOfCakes + 1.59) * 0.15)), "$"
PaidTax.set(Tax)
#TotalCost is the total cost of every item + tax
TT = ((PriceOfCakes + PriceOfDrinks + 1.59)*0.15)
TC = str("%.2f"%(PriceOfDrinks + PriceOfCakes + 1.59 + TT)), "$"
TotalCost.set(TC)
#1.59 is Service Charge and it's a fixed price
def chkLatta():
if (var1.get() == 1):
txt_Latta.configure(state = NORMAL)
txt_Latta.focus()
txt_Latta.delete("0", END)
E_Latta.set("")
elif(var1.get() == 0):
txt_Latta.configure(state = DISABLED)
E_Latta.set("0")
def chkEspresso():
if (var2.get() == 1):
txt_Espresso.configure(state = NORMAL)
txt_Espresso.focus()
txt_Espresso.delete("0", END)
E_Espresso.set("")
elif(var2.get() == 0):
txt_Espresso.configure(state = DISABLED)
E_Espresso.set("0")
def chkIced_Latta():
if (var3.get() == 1):
txt_Iced_Latta.configure(state = NORMAL)
txt_Iced_Latta.focus()
txt_Iced_Latta.delete("0", END)
E_Iced_Latta.set("")
elif(var3.get() == 0):
txt_Iced_Latta.configure(state = DISABLED)
E_Iced_Latta.set("0")
def chkVale_Coffee():
if (var4.get() == 1):
txt_Vale_Coffee.configure(state = NORMAL)
txt_Vale_Coffee.focus()
txt_Vale_Coffee.delete("0", END)
E_Vale_Coffee.set("")
elif(var4.get() == 0):
txt_Vale_Coffee.configure(state = DISABLED)
E_Vale_Coffee.set("0")
def chkCappuccino():
if (var5.get() == 1):
txt_Cappuccino.configure(state = NORMAL)
txt_Cappuccino.focus()
txt_Cappuccino.delete("0", END)
E_Cappuccino.set("")
elif(var5.get() == 0):
txt_Cappuccino.configure(state = DISABLED)
E_Cappuccino.set("0")
def chkAfrican_Coffee():
if (var6.get() == 1):
txt_African_Coffee.configure(state = NORMAL)
txt_African_Coffee.focus()
txt_African_Coffee.delete("0", END)
E_African_Coffee.set("")
elif(var6.get() == 0):
txt_African_Coffee.configure(state = DISABLED)
E_African_Coffee.set("0")
def chkAmerican_Coffee():
if (var7.get() == 1):
txt_American_Coffee.configure(state = NORMAL)
txt_American_Coffee.focus()
txt_American_Coffee.delete("0", END)
E_American_Coffee.set("")
elif(var7.get() == 0):
txt_American_Coffee.configure(state = DISABLED)
E_American_Coffee.set("0")
def chkIced_Cappuccino():
if (var8.get() == 1):
txt_Iced_Cappuccino.configure(state = NORMAL)
txt_Iced_Cappuccino.focus()
txt_Iced_Cappuccino.delete("0", END)
E_Iced_Cappuccino.set("")
elif(var8.get() == 0):
txt_Iced_Cappuccino.configure(state = DISABLED)
E_Iced_Cappuccino.set("0")
def chkWest_African_Cake():
if (var9.get() == 1):
txt_West_African_Cake.configure(state = NORMAL)
txt_West_African_Cake.focus()
txt_West_African_Cake.delete("0", END)
E_West_African_Cake.set("")
elif(var9.get() == 0):
txt_West_African_Cake.configure(state = DISABLED)
E_West_African_Cake.set("0")
def chkTarte():
if (var10.get() == 1):
txt_Tarte.configure(state = NORMAL)
txt_Tarte.focus()
txt_Tarte.delete("0", END)
E_Tarte.set("")
elif(var10.get() == 0):
txt_Tarte.configure(state = DISABLED)
E_Tarte.set("0")
def chkLagos_Chocolate_Cake():
if (var11.get() == 1):
txt_Lagos_Chocolate_Cake.configure(state = NORMAL)
txt_Lagos_Chocolate_Cake.focus()
txt_Lagos_Chocolate_Cake.delete("0", END)
E_Lagos_Chocolate_Cake.set("")
elif(var11.get() == 0):
txt_Lagos_Chocolate_Cake.configure(state = DISABLED)
E_Lagos_Chocolate_Cake.set("0")
def chkKilburn_Chocolate_Cake():
if (var12.get() == 1):
txt_Kilburn_Chocolate_Cake.configure(state = NORMAL)
txt_Kilburn_Chocolate_Cake.focus()
txt_Kilburn_Chocolate_Cake.delete("0", END)
E_Kilburn_Chocolate_Cake.set("")
elif(var12.get() == 0):
txt_Kilburn_Chocolate_Cake.configure(state = DISABLED)
E_Kilburn_Chocolate_Cake.set("0")
def chkCarlton_Hill_Cake():
if (var13.get() == 1):
txt_Carlton_Hill_Cake.configure(state = NORMAL)
txt_Carlton_Hill_Cake.focus()
txt_Carlton_Hill_Cake.delete("0", END)
E_Carlton_Hill_Cake.set("")
elif(var13.get() == 0):
txt_Carlton_Hill_Cake.configure(state = DISABLED)
E_Carlton_Hill_Cake.set("0")
def chkQueen_Park_Cake():
if (var14.get() == 1):
txt_Queen_Park_Cake.configure(state = NORMAL)
txt_Queen_Park_Cake.focus()
txt_Queen_Park_Cake.delete("0", END)
E_Queen_Park_Cake.set("")
elif(var14.get() == 0):
txt_Queen_Park_Cake.configure(state = DISABLED)
E_Queen_Park_Cake.set("0")
def chkJonathan_YO_Cake():
if (var15.get() == 1):
txt_Jonathan_YO_Cake.configure(state = NORMAL)
txt_Jonathan_YO_Cake.focus()
txt_Jonathan_YO_Cake.delete("0", END)
E_Jonathan_YO_Cake.set("")
elif(var15.get() == 0):
txt_Jonathan_YO_Cake.configure(state = DISABLED)
E_Jonathan_YO_Cake.set("0")
def chkSchool_Cake():
if (var16.get() == 1):
txt_School_Cake.configure(state = NORMAL)
txt_School_Cake.focus()
txt_School_Cake.delete("0", END)
E_School_Cake.set("")
elif(var16.get() == 0):
txt_School_Cake.configure(state = DISABLED)
E_School_Cake.set("0")
def Receipt():
txt_Receipt.delete("1.0", END)
x = random.randint(10903, 609235)
randomRef = str(x)
Receipt_Ref.set("Bill" + randomRef)
txt_Receipt.insert(END, "Receipt Ref:\t\t\t" + Receipt_Ref.get() + "\t" + DateOfOrder.get() + "\n")
txt_Receipt.insert(END, "Item:\t\t\t" + "Cost of item\n")
if (E_Latta.get() != "0"):
txt_Receipt.insert(END, "Latta:\t\t\t" + E_Latta.get() + "\n")
if (E_Espresso.get() != "0"):
txt_Receipt.insert(END, "Espresso:\t\t\t" + E_Espresso.get() + "\n")
if (E_Iced_Latta.get() != "0"):
txt_Receipt.insert(END, "Iced Latta:\t\t\t" + E_Iced_Latta.get() + "\n")
if (E_Vale_Coffee.get() != "0"):
txt_Receipt.insert(END, "Vale Coffee:\t\t\t" + E_Vale_Coffee.get() + "\n")
if (E_Cappuccino.get() != "0"):
txt_Receipt.insert(END, "Cappuccino:\t\t\t" + E_Cappuccino.get() + "\n")
if (E_African_Coffee.get() != "0"):
txt_Receipt.insert(END, "African Coffee:\t\t\t" + E_African_Coffee.get() + "\n")
if (E_American_Coffee.get() != "0"):
txt_Receipt.insert(END, "American Coffee:\t\t\t" + E_American_Coffee.get() + "\n")
if (E_Iced_Cappuccino.get() != "0"):
txt_Receipt.insert(END, "Iced Cappuccino:\t\t\t" + E_Iced_Cappuccino.get() + "\n")
if (E_West_African_Cake.get() != "0"):
txt_Receipt.insert(END, "West African Cake:\t\t\t" + E_West_African_Cake.get() + "\n")
if (E_Lagos_Chocolate_Cake.get() != "0"):
txt_Receipt.insert(END, "Lagos Chocolate Cake:\t\t\t" + E_Lagos_Chocolate_Cake.get() + "\n")
if (E_Kilburn_Chocolate_Cake.get() != "0"):
txt_Receipt.insert(END, "Kilburn Chocolate Cake:\t\t\t" + E_Kilburn_Chocolate_Cake.get() + "\n")
if (E_Carlton_Hill_Cake.get() != "0"):
txt_Receipt.insert(END, "Carlton Hill Cake:\t\t\t" + E_Carlton_Hill_Cake.get() + "\n")
if (E_Queen_Park_Cake.get() != "0"):
txt_Receipt.insert(END, "Queen Park Cake:\t\t\t" + E_Queen_Park_Cake.get() + "\n")
if (E_Jonathan_YO_Cake.get() != "0"):
txt_Receipt.insert(END, "Jonathan YO Cake:\t\t\t" + E_Jonathan_YO_Cake.get() + "\n")
if (E_School_Cake.get() != "0"):
txt_Receipt.insert(END, "School Cake:\t\t\t" + E_School_Cake.get() + "\n")
txt_Receipt.insert(END, "\n\n" + "Tax:\t\t\t" + txt_Paid_Tax.get() + "\n")
txt_Receipt.insert(END, "Sub Total:\t\t\t" + txt_SubTotal.get() + "\n")
txt_Receipt.insert(END, "Total:\t\t\t" + txt_TotalCost.get() + "\n")
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 = ""
#=================================================================================================================================================================================================
#===============================Cakes============================================================================================================================================================
West_African_Cake = Checkbutton(Cake_F, text="West African Cake", variable = var9, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkWest_African_Cake,).grid(row = 0, sticky = W)
Tarte = Checkbutton(Cake_F, text="Tarte", variable = var10, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkTarte,).grid(row = 1, sticky = W)
Lagos_Chocolate_Cake = Checkbutton(Cake_F, text="Lagos Chocolate Cake", variable = var11, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkLagos_Chocolate_Cake,).grid(row = 2, sticky = W)
Kilburn_Chocolate_Cake = Checkbutton(Cake_F, text="Kilburn Chocolate Cake", variable = var12, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkKilburn_Chocolate_Cake,).grid(row = 3, sticky = W)
Carlton_Hill_Cake = Checkbutton(Cake_F, text="Carlton Hill Cake", variable = var13, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkCarlton_Hill_Cake,).grid(row = 4, sticky = W)
Queen_Park_Cake = Checkbutton(Cake_F, text="Queen Park Cake", variable = var14, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkQueen_Park_Cake,).grid(row = 5, sticky = W)
Jonathan_YO_Cake = Checkbutton(Cake_F, text="Jonathan YO Cake", variable = var15, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkJonathan_YO_Cake,).grid(row = 6, sticky = W)
School_Cake = Checkbutton(Cake_F, text="School Cake", variable = var16, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkSchool_Cake,).grid(row = 7, sticky = W)
#===============================Entry box for cakes================================================================================================================================================
txt_West_African_Cake = Entry(Cake_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_West_African_Cake)
txt_West_African_Cake.grid(row = 0, column = 1)
txt_Tarte = Entry(Cake_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Tarte)
txt_Tarte.grid(row = 1, column = 1)
txt_Lagos_Chocolate_Cake = Entry(Cake_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Lagos_Chocolate_Cake)
txt_Lagos_Chocolate_Cake.grid(row = 2, column = 1)
txt_Kilburn_Chocolate_Cake = Entry(Cake_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Kilburn_Chocolate_Cake)
txt_Kilburn_Chocolate_Cake.grid(row = 3, column = 1)
txt_Carlton_Hill_Cake = Entry(Cake_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Carlton_Hill_Cake)
txt_Carlton_Hill_Cake.grid(row = 4, column = 1)
txt_Queen_Park_Cake = Entry(Cake_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Queen_Park_Cake)
txt_Queen_Park_Cake.grid(row = 5, column = 1)
txt_Jonathan_YO_Cake = Entry(Cake_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Jonathan_YO_Cake)
txt_Jonathan_YO_Cake.grid(row = 6, column = 1)
txt_School_Cake = Entry(Cake_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_School_Cake)
txt_School_Cake.grid(row = 7, column = 1)
#====================================================================================================================================================================================================
#================================Drinks==============================================================================================================================================================
Latta = Checkbutton(Drinks_F, text="Latta", variable = var1, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = 'Powder Blue', command = chkLatta).grid(row = 0, sticky = W)
Espresso = Checkbutton(Drinks_F, text="Espresso", variable = var2, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = "Powder Blue", command = chkEspresso).grid(row = 1, sticky = W)
Iced_Latta = Checkbutton(Drinks_F, text="Iced Latta", variable = var3, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = "Powder Blue", command = chkIced_Latta).grid(row = 2, sticky = W)
Vale_Coffee = Checkbutton(Drinks_F, text="Vale Coffee", variable = var4, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = "Powder Blue", command = chkVale_Coffee).grid(row = 3, sticky = W)
Cappuccino = Checkbutton(Drinks_F, text="Cappuccino", variable = var5, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = "Powder Blue", command = chkCappuccino).grid(row = 4, sticky = W)
African_Coffee = Checkbutton(Drinks_F, text="African Coffee", variable = var6, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = "Powder Blue", command = chkAfrican_Coffee).grid(row = 5, sticky = W)
American_Coffee = Checkbutton(Drinks_F, text="American Coffee", variable = var7, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = "Powder Blue", command = chkAmerican_Coffee).grid(row = 6, sticky = W)
Iced_Cappuccino = Checkbutton(Drinks_F, text="Iced Cappuccino", variable = var8, onvalue = 1, offvalue = 0, font=('arial', 18, 'bold'), bg = "Powder Blue", command = chkIced_Cappuccino).grid(row = 7, sticky = W)
#================================Entry box for drinks================================================================================================================================================
txt_Latta = Entry(Drinks_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Latta)
txt_Latta.grid(row = 0, column = 1)
txt_Espresso = Entry(Drinks_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Espresso)
txt_Espresso.grid(row = 1, column = 1)
txt_Iced_Latta = Entry(Drinks_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Iced_Latta)
txt_Iced_Latta.grid(row = 2, column = 1)
txt_Vale_Coffee = Entry(Drinks_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Vale_Coffee)
txt_Vale_Coffee.grid(row = 3, column = 1)
txt_Cappuccino = Entry(Drinks_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Cappuccino)
txt_Cappuccino.grid(row = 4, column = 1)
txt_African_Coffee = Entry(Drinks_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_African_Coffee)
txt_African_Coffee.grid(row = 5, column = 1)
txt_American_Coffee = Entry(Drinks_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_American_Coffee)
txt_American_Coffee.grid(row = 6, column = 1)
txt_Iced_Cappuccino = Entry(Drinks_F, font=('arial', 16, 'bold'), bd = 3, width = 6, justify = LEFT, state = DISABLED, textvariable = E_Iced_Cappuccino)
txt_Iced_Cappuccino.grid(row = 7, column = 1)
#==================================Total Cost================================================================================================================================================================
lblCostOfDrinks = Label(Cost_F, font=('arial', 14, 'bold'), text="Cost Of Drinks\n", bg='Powder Blue', fg='Black')
lblCostOfDrinks.grid(row=0, column=0, sticky = W)
txt_Cost_of_drinks = Entry(Cost_F, font=('arial', 14, 'bold'), textvariable = CostOfDrinks, bg = 'white', bd = 7, insertwidth = 2, justify = RIGHT)
txt_Cost_of_drinks.grid(row=0, column=1)
lblCostOfCakes = Label(Cost_F, font=('arial', 14, 'bold'), text="Cost Of Cakes\n", bg='Powder Blue', fg='Black')
lblCostOfCakes.grid(row=1, column=0, sticky = W)
txt_Cost_of_Cakes = Entry(Cost_F, font=('arial', 14, 'bold'), textvariable = CostOfCakes, bg = 'white', bd = 7, insertwidth = 2, justify = RIGHT)
txt_Cost_of_Cakes.grid(row=1, column=1)
lblServiceCharge = Label(Cost_F, font=('arial', 14, 'bold'), text="Service Charge\n", bg='Powder Blue', fg='Black')
lblServiceCharge.grid(row=2, column=0, sticky = W)
txt_Service_Charge = Entry(Cost_F, font=('arial', 14, 'bold'), textvariable = ServiceCharge, bg = 'white', bd = 7, insertwidth = 2, justify = RIGHT)
txt_Service_Charge.grid(row=2, column=1)
#==================================Payment Information=======================================================================================================================================================
lblPaidTax = Label(Cost_F, font=('arial', 14, 'bold'), text="Paid Tax\n", bg='Powder Blue', fg='Black')
lblPaidTax.grid(row=0, column=2, sticky = W)
txt_Paid_Tax = Entry(Cost_F, font=('arial', 14, 'bold'), textvariable = PaidTax, bg = 'white', bd = 7, insertwidth = 2, justify = RIGHT)
txt_Paid_Tax.grid(row=0, column=3)
lblSubTotal = Label(Cost_F, font=('arial', 14, 'bold'), text="Sub Total\n", bg='Powder Blue', fg='Black')
lblSubTotal.grid(row=1, column=2, sticky = W)
txt_SubTotal = Entry(Cost_F, font=('arial', 14, 'bold'), textvariable = SubTotal, bg = 'white', bd = 7, insertwidth = 2, justify = RIGHT)
txt_SubTotal.grid(row=1, column=3)
lblToatalCost = Label(Cost_F, font=('arial', 14, 'bold'), text="Total Cost\n", bg='Powder Blue', fg='Black')
lblToatalCost.grid(row=2, column=2, sticky = W)
txt_TotalCost = Entry(Cost_F, font=('arial', 14, 'bold'), textvariable = TotalCost, bg = 'white', bd = 7, insertwidth = 2, justify = RIGHT)
txt_TotalCost.grid(row=2, column=3)
#==================================Receipt===================================================================================================================================================================
txt_Receipt = Text(Receipt_F, width = 46, height = 12, bg = 'white', bd = 4, font=('arial', 12, 'bold'))
txt_Receipt.grid(row=0, column=0)
#============================================================================================================================================================================================================
btn_Total = Button(Buttons_F, padx=16, pady = 1, bd = 7, fg = 'Black', font=('arial', 16, 'bold'), width = 4, text = "Total", bg = "Powder Blue", command = CostOfItem).grid(row=0, column=0)
btn_Receipt = Button(Buttons_F, padx=16, pady = 1, bd = 7, fg = 'Black', font=('arial', 16, 'bold'), width = 4, text = "Receipt", bg = "Powder Blue", command = Receipt).grid(row=0, column=1)
btn_Reset = Button(Buttons_F, padx=16, pady = 1, bd = 7, fg = 'Black', font=('arial', 16, 'bold'), width = 4, text = "Reset", bg = "Powder Blue", command = Reset).grid(row=0, column=2)
btn_Exit = Button(Buttons_F, padx=16, pady = 1, bd = 7, fg = 'Black', font=('arial', 16, 'bold'), width = 4, text = "Exit", bg = "Powder Blue", command = iExit).grid(row=0, column=3)
#==================================Calculator Display=========================================================================================================================================================
txt_Display = Entry(Cal_F, width = 45, bg = 'white', bd = 4, font=('arial', 12, 'bold'), justify = RIGHT)
txt_Display.grid(row=0, column=0, columnspan = 4, pady = 1)
txt_Display.insert(0, "0")
#==================================Calculator Buttons=========================================================================================================================================================
btn7 = Button(Cal_F, padx=16, pady = 1, bd = 7, fg = 'Black', font=('arial', 16, 'bold'), width = 4, text = "7", bg = "Powder 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 = "Powder 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 = "Powder 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 = "Powder 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 = "Powder 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 = "Powder 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 = "Powder 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 = "Powder 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 = "Powder 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 = "Powder 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 = "Powder Blue", command = lambda:btnClick(3)).grid(row=4, column=2)
btnMult = Button(Cal_F, padx=16, pady = 1, bd = 7, fg = 'Black', font=('arial', 16, 'bold'), width = 4, text = "*", bg = "Powder 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 = "Powder 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 = "Powder 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 = "Powder 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 = "Powder Blue", command = lambda:btnClick("/")).grid(row=5, column=3)
root.mainloop()