set a list backwards code example

Example 1: list slicing reverse python

#This option reverses the original list, so a reversed copy is not made
>>> mylist = [1, 2, 3, 4, 5]
>>> mylist
[1, 2, 3, 4, 5]

>>> mylist.reverse()
None

>>> mylist
[5, 4, 3, 2, 1]

https://dbader.org/blog/python-reverse-list

Example 2: list reversal

list.reverse()