python how read reverse array code example

Example 1: python reverse list

# Operating System List
systems = ['Windows', 'macOS', 'Linux']
print('Original List:', systems)

# Reversing a list	
#Syntax: reversed_list = systems[start:stop:step] 
reversed_list = systems[::-1]

# updated list
print('Updated List:', reversed_list)

Example 2: python invert an array

>>> L = [0,10,20,40]
>>> L[::-1]
[40, 20, 10, 0]