how do i flip a list python code example

Example 1: reverse element in a list in python 3

my_list = [1, 7, 9, 11, 12, 20]
# Reverse a list by using a slice
print(my_list[::-1])

Example 2: how to revert a list python

>>> array=[0,10,20,40]
>>> for i in reversed(array):
...     print(i)