def add_numbers(val1, val2):
    '''Type the correct code to add two numbers after the return statement.'''
    return val1 + val2

def multiply_numbers(val1, val2):
    '''Type the correct code to multiply two numbers after the return statement.'''
    return val1 * val2

def square_number(val1):
    '''
    Type the correct code to square val1 after the return statement.
    TO GET CREDIT YOU MUST USE THE PYTHON BUILT-IN FUNCTIONALITY FOR SQUARING NUMBERS!
    '''
    return val1 ** 2
