Added Whitespace and Docstring (#924)

* Added Whitespace and Docstring

I modified the file to make Pylint happier and make the code more readable.

* Beautified Code and Added Docstring

I modified the file to make Pylint happier and make the code more readable.

* Added DOCSTRINGS, Wikipedia link, and whitespace

I added DOCSTRINGS and whitespace to make the code more readable and understandable.

* Improved Formatting

* Wrapped comments
* Fixed spelling error for `movement` variable
* Added DOCSTRINGs

* Improved Formatting

* Corrected whitespace to improve readability.
* Added docstrings.
* Made comments fit inside an 80 column layout.