Add md showing basic file handling

[funbeedev]

Description

I would like to contribute an md showing basic file manipulation in python.

Type of issue

• NOTE: These boxes can be checked using [X]

• Feature (New Script)

• Bug

• Documentation

Checklist:

• I have read the project guidelines.
• I have checked all the existing projects, before submitting a new project issue.
• I have checked previous issues to avoid duplicates.
• This issue will be meaningful for the project.