calculators/1.py at main · peterishek/calculators · GitHub

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# define the functions needed: add, sub, mul, div
# print options to the user
# ask for values
# call the function
# while loop to continue the program until the user wants to exit

def add(a, b):
    answer = a + b
    print(str(a) + " + " + str(b) + " = " + str(answer))


def sub(a, b):
    answer = a - b
    print(str(a) + " - " + str(b) + " = " + str(answer))


def mul(a, b):
    answer = a * b
    print(str(a) + " * " + str(b) + " = " + str(answer))


def div(a, b):
    answer = a / b
    print(str(a) + " / " + str(b) + " = " + str(answer))


while True:
    print("A, Addition")
    print("B, Subtraction")
    print("C, Multiplication")
    print("D, Division")
    print("E, Exit")

    choice = input("input your choice: ")

    if choice == "a" or choice == "A":
        print("Addition")
        a = int(input("input first number: "))
        b = int(input("input second number: "))
        add(a, b)
    elif choice == "b" or choice == "B":
        print("Subtraction")
        a = int(input("input first number: "))
        b = int(input("input second number: "))
        sub(a, b)
    elif choice == "c" or choice == "C":
        print("Multiplication")
        a = int(input("input first number: "))
        b = int(input("input second number: "))
        mul(a, b)
    elif choice == "d" or choice == "D":
        print("Division")
        a = int(input("input first number: "))
        b = int(input("input second number: "))
        div(a, b)
    elif choice == "e" or choice == "E":
        print("program ended")
        quit()