please do both questions the class is python

4.3 (WHAT'S WRONG WITH THIS CODE?) What is wrong with the following cube function's definition? def cube (x): """Calculate the cube of x. X ** 3 print('The cube of 2 is', cube (2)) 4.4 (WHAT'S DOES THIS CODE DO?) What does the following mystery function do? Assume you pass the list [1, 2, 3, 4, 5] as an argument. def mystery (x): y = 0 for value in x: y += value ** 2 return y