Implement solution 2: Iteration without additional data structure

Time and Space complexity

Implement using iteration

Create new file and needed classes

Implement removeDups with no buffer

implement removeDups using a set and temp buffer

Node and llist class implementation

Create SinglyLinkedListClass.py

implement isRotation function

Implement compression function using a dictionary DS

Update time complexity

Time Complexity

Implement oneWay function

Clarify comments

Remove whitespaces