Python Calculator.py

# :::::::::::::::::::::::::::::::::[        Calculator          ]:::::::::::::::::::::::::::::::::: #

ao = input("Select a operation(A,S,M,D): ")
first_digit = float(input("Enter 1st digit: "))
second_digit = float(input("Enter 2nd digit: "))

if ao == "M" or ao == "m":
    def multiply(number1, number2):
        return number1 * number2
    result = float(multiply(first_digit, second_digit))
    print("Answer: "+str(result))
elif ao == "D" or ao == "d":
    def division(number1, number2):
        return number1 / number2
    result = float(division(first_digit, second_digit))
    print("Answer: "+str(result))
elif ao == "A" or ao == "a":
    def addition(number1, number2):
        return number1 + number2
    result = float(addition(first_digit, second_digit))
    print("Answer: "+str(result))
elif ao == "S" or ao == "s":
    def subtract(number1, number2):
        return number1 - number2
    result = float(subtract(first_digit, second_digit))
    print("Answer: "+str(result))
else:
    print("Please choose the right operation to perform: ")