how do i solve this

im not sure what the task is asking of me im to change the variables in the code but it looks like its already solved

def mult_two(a, b): # your code here return None

if name == 'main': print("Example:") print(mult_two(3, 2))

# These "asserts" are used for self-checking and not for an auto-testing
assert mult_two(3, 2) == 6
assert mult_two(1, 0) == 0
print("Coding complete? Click 'Check' to earn cool rewards!")

what code am I supposed to write under def mult_two I dont understand