Python reversed() built-in function

Python reversed() built-in function

From the Python 3 documentation Return a reverse iterator. seq must be an object which has a reversed() method or supports the sequence protocol (the len() method and the getitem() method with integer arguments starting at 0).

Examples

>>> i = reversed([1, 2, 3])
>>> i.__next__()
# 3
>>> i.__next__()
# 2
>>> i.__next__()
# 1
>>> i
# <list_reverseiterator object at 0x7f93159ded00>