How do I reverse a sublist in a list in place?

Question

I\'m supposed to create a function, which input is a list and two numbers, the function reverses the sublist which its place is indicated by the two numbers. for example this is

Answer 1

Easiest way to reverse a list in a partial or complete manner.

listVar = ['a','b','c','d']
def listReverse(list,start,end):
    while(start

Output : - ['a', 'd', 'c', 'b']