do a calculator in python

#Store number variables for the two numbers num1 = input('Enter first number: ') num2 = input('Enter second number: ') #the sum of the two numbers variable sum = float(num1) + float(num2) sum2 = float(num1) - float(num2) sum3 = float(num1) * float(num2) sum4 = float(num1) / float(num2) #what operator to use choice = input('Enter an operator, + = addition, - = subtraction, * = multiplication and / = division: ') #different sums based on the operators if choice == '+': print('The sum of {0} and {1} is {2}'.format(num1, num2, sum)) if choice == '-': print('The sum of {0} and {1} is {2}'.format(num1, num2, sum2)) if choice == '*': print('The sum of {0} and {1} is {2}'.format(num1, num2, sum3)) if choice == '/': print('The sum of {0} and {1} is {2}'.format(num1, num2, sum4))

python calculator

import time
def cal():
    def add(x, y):
        print(x + y)

    def sub(x, y):
        print(x - y)

    def mul(x, y):
        print(x * y)

    def div(x, y):
        print(x // y)

    while True:
        print('Adding?(+) Subtracting?(-) Multiplying?(*) Dividing?(/)')
        answer = input('')
        if answer == "+":
            try:
                x = float(input('First number! '))
                y = float(input('Second Number! '))
            except Exception as e:
                print(f'Error: {e}')
                time.sleep(5)
                return
            add(x, y)
        elif answer == "-":
            try:
                x = float(input('First number! '))
                y = float(input('Second Number! '))
            except Exception as e:
                print(f'Error: {e}')
                time.sleep(5)
                return
            sub(x, y)
        elif answer == "*":
            try:
                x = float(input('First number! '))
                y = float(input('Second Number! '))
            except Exception as e:
                print(f'Error: {e}')
                time.sleep(5)
                return
            mul(x, y)
        elif answer == "/":
            try:
                x = float(input('First number! '))
                y = float(input('Second Number! '))
            except Exception as e:
                print(f'Error: {e}')
                time.sleep(5)
                return
            div(x, y)
        else:
            print('Error. Enter a valid input!')


cal()

Posted by: Guest on March-26-2021

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