Finding every nth element in a list

Question

How can I find every nth element of a list?

For a list [1,2,3,4,5,6], returnNth(l,2) should return [1,3,5] and for a list

Answer 1

I you need the every nth element....

  def returnNth(lst, n):
        # 'list ==> list, return every nth element in lst for n > 0'
        return lst[::n]