print a reverse list in 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: index and reversing a sub list in python list

def reverse_sublist(lst,start,end):
    lst[start:end] = lst[start:end][::-1]
    return lst