Answers for "how to make calculator pyton"

create calculator in python

from tkinter import *
import random
import time

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

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

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


root = Tk()
root.title("Calculator")
root.resizable(False, False)

operator = ""
text_Input = StringVar()

#AnsShow
textDisplay = Entry(root, font = ('arial', 20, 'bold'), textvariable = text_Input, bd = 30, insertwidth = 4, bg = "red", justify = 'right')
textDisplay.grid(columnspan = 4)

#button
btn7 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "7", command = lambda:btnClick(7)).grid(row = 1, column = 0)

btn8 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "8", command = lambda:btnClick(8)).grid(row = 1, column = 1)

btn9 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "9", command = lambda:btnClick(9)).grid(row = 1, column = 2)

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

#============================================================================================================================#
btn4 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "4", command = lambda:btnClick(4)).grid(row = 2, column = 0)

btn5 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "5", command = lambda:btnClick(5)).grid(row = 2, column = 1)

btn6 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "6", command = lambda:btnClick(6)).grid(row = 2, column = 2)

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

#===============================================================================================================================#
btn1 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "1", command = lambda:btnClick(1)).grid(row = 3, column = 0)

btn2 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "2", command = lambda:btnClick(2)).grid(row = 3, column = 1)

btn3 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "3", command = lambda:btnClick(3)).grid(row = 3, column = 2)

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

#==================================================================================================================================#
btn0 = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "0", command = lambda:btnClick(0)).grid(row = 4, column = 0)

equal = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "=", command = bei).grid(row = 4, column = 1)

divide = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "/", command = lambda:btnClick("/")).grid(row = 4, column = 2)

clear = Button(root, padx = 16, bd = 8, fg = "black", bg = "red", font = ('arial', 20, 'bold'), text = "c", command = bcd).grid(row = 4, column = 3)

root.mainloop()

python calculator

# define the function
def calculate():
    print('Please choose your operator adding(+) subtracting(-) multiplying(*) didviding(/) for power(**) for module(%)')

    number_1 = int(input("Enter your first digit: "))
    operation = input("Enter your operator: ")
    number_2 = int(input("Enter your first digit: "))


# adding
    if operation == '+':
        print('{} + {} = '.format(number_1, number_2))
        print(number_1 + number_2)
        print("You were adding.n")
        print("How do I know that I'm a smart progammer ;)n")

# subtracting
    elif operation == '-':
        print('{} - {} = '.format(number_1, number_2))
        print(number_1 - number_2)
        print("You were subtracting.n")
        print("How do I know that I'm a smart progammer ;)n")

# mulitplaying
    elif operation == '*':
        print('{} * {} = '.format(number_1, number_2))
        print(number_1 * number_2)
        print("You were mulitplaying.")
        print("How do I know that I'm a smart progammer ;)n")

# dividing
    elif operation == '/':
        print('{} / {} = '.format(number_1, number_2))
        print(number_1 / number_2)
        print("You were dividing.n")
        print("How do I know that I'm a smart progammer ;)n")

# for power
    elif operation == '**':
        print('{} ** {} = '.format(number_1, number_2))
        print(number_1 ** number_2)
        print("You were using for power.n")
        print("How do I know that I'm a smart progammer ;)n")

# module
    elif operation == '%':
        print('{} % {} = '.format(number_1, number_2))
        print(number_1 % number_2)
        print("You were using module.n")
        print("How do I know that I'm a smart progammer ;)n")

    # if they get a error
    else:
        print("Your number you have typed is invalid, please restart your program!")
    # add again() here as a function outside the calculate()
    again()


def again():
    cal_again = input("Do you want to calculate again? Y = yes or N = no: ")

    # Taking user input
    if cal_again.upper() == 'Y':
        calculate()
    elif cal_again.upper() == 'N':
        print('Leave kid ;-;')
    else:
        again()


def welcome():
    print("Welcome to my calculator made by Pepa pig lol made in python :D")


# use calculate() for the function
welcome()
calculate()