CalculatorApp.py

from tkinter import *
import tkinter
import tkinter.messagebox
top = tkinter.Tk()
top.title("Calculator")
L1 = Label(top,text="My Calculator",).grid(row=0,column=1)
L2 = Label(top,text="Number 1",).grid(row=1,column=0)
L3 = Label(top,text="Number 2",).grid(row=2,column=0)
L4 = Label(top,text="Operator",).grid(row=3,column=0)
L5 = Label(top, text="Answer",).grid(row=4,column=0)

E1 = Entry(top, bd = 0.5)
E1.grid(row=1,column=1)

E2 = Entry(top, bd =0.5)
E2.grid(row=2,column=1)

E3 = Entry(top, bd = 0.5)
E3.grid(row=3,column=1)

E4 = Entry(top, bd =0.5)
E4.grid(row=4,column=1)



def process():
    try:
        number1 = Entry.get(E1)
        number2 = Entry.get(E2)
        operator = Entry.get(E3)
        number1 = int(number1)
        number2 = int(number2)
        if operator == "+":
            answer = number1+number2
        if operator == "-":
            answer = number1-number2
        if operator == "*":
            answer = number1*number2
        if operator == "/":
            answer = number1/number2
        Entry.insert(E4,0,answer)
        print(answer)
    except ValueError:
        tkinter.messagebox.showwarning("Warning", "Please enter the value in integer")









B = Button(top, text="Submit", command= process).grid(row=5, column=1,)






top.mainloop()