Raspberry Pi - Programming 101 - Calculating Averages

# Introduce yourself to your visitor
print("Hi, I am Rotellity, the Funky Maths bot.")
print("I came, I saw, I added, subtracted, multiplied and calculated percentages!")
# Ask the visitor a question.
# Use inputs to collect their responses
# Use number variables to convert the input replies into integers
# Use output to convert the result into a string
command = input("How can I help?")
if command == "add" or command == "plus":
    print("let's add some numbers")
    input1 = input("Pick a number, any number!>")
    input2 = input("Now pick a second number>")
    number1 = int(input1)
    number2 = int(input2)
    result = number1 + number2
    output = str(result)
    print("Watch me add both numbers! " + input1 + " + " + input2 + " = " + output)
elif command == "subtract" or command == "minus":
    print("let's subtract some numbers")
    input1 = input("Start by picking one number, any number!")
    input2 = input("Now, pick a second number, any one will do!")
    number1 = int(input1)
    number2 = int(input2)
    result = number1 - number2
    output = str(result)
    print("Watch me substract both numbers! " +input1 + " - " + input2 + " = " + output)
elif command == "multiply" or command == "times":
    print("let's multiply two numbers!")
    input1 = input("Pick your first number")
    input2 = input("Pick your second number")
    number1 = int(input1)
    number2 = int(input2)
    result = number1 * number2
    output = str(result)
    print("Let's multiply! " +input1 + " x " + input2 + " = " + output)
elif command == "average":
    how_many = input("How many numbers?>")
    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("the average = " + str(result))
else:
    print("Sorry, I am but a simple maths bot. I do not understand your request.")
print("Let's calculate your amount you spend on groceries")
input1 = input("How much did you spend this week on groceries?")
input2 = input("How much did you earn this week?")
number1 = int(input1)
number2 = int(input2)
result = number1 / number2
output = str(result)
print("Groceries made up " +output + " percent of your budget for the week.")