print("Hi, I am R4D4, your personal math bot")
command = input("How may I help you: add, subtract or average?  ")

if command == "add" or command == "plus":
    print("Let's add some numbers")
    number1 = int(input("number 1:  "))
    number2 = int(input("number 2:  "))
    result = number1 + number2

    print("Results:", number1, "+" ,number2, "=", result)

elif command == "subtract" or command == "minus":
    print("Let's substract some numbers")
    number1 = int(input("number 1: "))
    number2 = int(input("number 2: "))
    result = number1 - number2

    print("Results:", number1, "minus", number2, "=", result)

elif command == "average":
    how_many = input("How many numbers do you wan to average? ")
    how_many = int(how_many)
    total = 0
    for number_count in range(how_many):
        number = input("Enter number " + str(number_count) + " = ")
        total = total + int(number)
    result = total / how_many
    print("average is = " + str(result))

else:
    print("Sorry, this is the add or subtract or average math bot")