Add machine learning books

[Raghu0703]

What does this PR do?

I have provided the details for best python learning platform note that they are free of cost and accessible to everyone

IMPORTANT

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For resources

Description

Why is this valuable (or not)?

it is valuable as it is useful to the students

How do we know it's really free?

it is completely safe

For book lists, is it a book? For course lists, is it a course? etc.

Checklist:

• Search for duplicates.
• Include author(s) and platform where appropriate.
• Put lists in alphabetical order, correct spacing.
• Add needed indications (PDF, access notes, under construction).
• Used an informative name for this pull request.

Follow-up

• Check the status of GitHub Actions and resolve any reported warnings!

[github-actions]

Linter failed, fix the error(s):

free-programming-books/books/free-programming-python.md
1:1-3:261  warning  Alphabetical ordering: swap l.2 and l.1  alphabetize-lists            remark-lint
1:1-1:309  warning  Marker style should be `*`               unordered-list-marker-style  remark-lint
2:1-2:233  warning  Marker style should be `*`               unordered-list-marker-style  remark-lint
3:1-3:261  warning  Marker style should be `*`               unordered-list-marker-style  remark-lint

[Raghu0703]

HI sir,
i have mentioned the best python learning platforms,that are freely accessible by everyone and i also mentioned direct links to access them these are useful to the students you are currently studying and cannot afford paid platforms for learning
i hope you would merge my PR

Thank you,
Raghu0703