Added some Docs. to understand easily

[Future423]

Description

Please include a summary of the change and which issue is fixed or what question/feature you have added.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature/question
• [ ] This change requires a documentation update
• [ ] Bookmark link

Checklist:

• [ ] My code follows the style guidelines of this project i.e. Pep8
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] Any dependent changes have been merged and published in downstream modules
• [ ] I have squashed unnecessary commits