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aditya yadav
1,505 PointsPls help with the code
What i am doing wrong?
def first_4(string):
return string[0:4]
def first_and_last_4(item):
return item[:4] + item[-4::1]
def odds(string):
return string[1::2]
def reverse_evens(string):
return string[-1::-2]
1 Answer
Chris Freeman
Treehouse Moderator 68,441 PointsYour reverse evens code takes every other item starting at the end of a list. This only works when there is an odd number of items. If there's an even number of items then you would get all of the odd indexes.
The solution lies in using two slices: One to get the even indices and the other to reverse the first slice. This can be done in a single line by chaining the slices together.
Post back if you need more help. Good luck!!!