please write down comment for each steps

Problem 3 Write a function that rotates a list by k elements. For example [1.2,3,4,5,6] rotated by two becomes Solve this without creating a copy of the list. .Ask for user input for the value of k. There can be multiple methods to do this, you are free to use any. Print out the results to the screen. Test case 1: rotate [1,2,3,4,5,6] by 3 elements Output: [4,5,6,1,2,3] Test case 2: rotate [1,2,3,4,5,6] by 5 elements Output: [6,1,2,3,4,5] Python code