I am stuck at number 9
this is the error message
Traceback (most recent call last): File "python", line 9, in <module> AttributeError: 'int' object has no attribute 'sort'
And this is the code
start_list = [5, 3, 1, 2, 4] square_list =  # Your code here! for x in start_list: square_list.append(x ** 2) for x in square_list: print x.sort()