calculator.py

from ast import operator
from distutils import command
from lib2to3.pgen2.token import EQUAL
from tkinter import*
from tokenize import String
from turtle import clear

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

def btncleardisplay():
    global operator
    operator=""
    text_input.set("")

def btnequalsinput():
    global operator
    sumup=str(eval(operator))
    text_input.set(sumup)
    operator=""

cal=Tk()
cal.title("Calculator")
operator=""
text_input=StringVar()

textdisplay= Entry(cal,font=('arial',20,'bold'), textvariable=text_input,bd=30,insertwidth=4, bg="powder blue", justify='right').grid(columnspan=4)

btn7=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="7",bg="powder blue",command=lambda:btnClick(7)).grid(row=1,column=0)
btn8=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="8",bg="powder blue",command=lambda:btnClick(8)).grid(row=1,column=1)
btn9=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="9",bg="powder blue",command=lambda:btnClick(9)).grid(row=1,column=2)

Addition=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'),bg="blue", text="+",command=lambda:btnClick("+")).grid(row=1,column=3)

btn6=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="6",bg="powder blue",command=lambda:btnClick(6)).grid(row=2,column=0)
btn5=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="5",bg="powder blue",command=lambda:btnClick(5)).grid(row=2,column=1)
btn4=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="4",bg="powder blue",command=lambda:btnClick(4)).grid(row=2,column=2)

Subtraction=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'),bg="blue", text="-",command=lambda:btnClick("-")).grid(row=2,column=3)

btn3=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'),text="3",bg="powder blue",command=lambda:btnClick(3)).grid(row=3,column=0)
btn2=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'),text="2",bg="powder blue",command=lambda:btnClick(2)).grid(row=3,column=1)
btn1=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'),text="1",bg="powder blue",command=lambda:btnClick(1)).grid(row=3,column=2)

Multiplication=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'),bg="blue", text="*",command=lambda:btnClick("*")).grid(row=3,column=3)

btn0=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="0",bg="powder blue",command=lambda:btnClick(1)).grid(row=4,column=0)
btnclear=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="C",bg="red",command=btncleardisplay).grid(row=4,column=1)
btnequal=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="=",bg="green",command=btnequalsinput).grid(row=4,column=2)

Divide=Button(cal, padx=16,bd=8, fg="black", font=('arial',20,'bold'), text="/",bg="blue",command=lambda:btnClick("/")).grid(row=4,column=3)

cal.mainloop()