Oops, try again. Your code looks a bit off. Check the Hint if you need help! Your code threw the following error: range() integer end argument expected, got list.
Traceback (most recent call last):
File "python", line 6, in
TypeError: range() integer end argument expected, got list.
it to work...
def my_function(x): for i in range(0, len(x)): x[i] = x[i] * 2 return x print my_function(range([0,1,2]))