Upadated readme and added python files learning

[SaurabhKumar1611]

Description

Include a summary of the change and relevant motivation/context.
List any dependencies that are required for this change.

Fixes # [ISSUE NUMBER HERE]

Type of Change:

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• Code
• Quality Assurance
• User Interface
• Documentation
• Test

Code/Quality Assurance Only

• Bug fix (non-breaking change which fixes an issue)
• This change requires a documentation update (software upgrade on readme file)
• New feature (non-breaking change which adds functionality pre-approved by maintainers)

Checklist:

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• My PR follows the style guidelines of this project
• I have commented my code or provided relevant documentation
• I have made corresponding changes to the documentation
• Any dependent changes have been merged

Code/Quality Assurance Only

• My changes generate no new warnings
• My PR currently breaks something (fix or feature that would cause existing functionality to not work as expected)
• I have added tests that prove my fix is effective
• New and existing unit tests pass locally with my changes