function reverse to python code example

Example 1: how to reverse a string in python

belief = "the world is mine, hello"[::-1]
print(belief)

Example 2: reverse python3

arr = [2,5,32,86,4,131,97]

# reverse without modifying input, using range:
for i in range(len(arr)-1, -1, -1):
    print(arr[i])
    
# reverse and modifying input:
arr.reverse()