Python.md - Format tweaks and some extra commands :)

[DrTexx]

• Added a note for users confused by python vs python3
• Added command to check Python version
• Changed existing code snippets to bash formatted code blocks
• Added two commands for creating/activating virtual environments
• Added two commands for creating/installing requirements.txt files

Happy to make any tweaks if something doesn't seem right or changes the format too much! I'm pretty chill :) :ice_cream:

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[arverma007]

I really appreciate your contribution. Hoping to see more collaboration like this! 😄 😅

[DrTexx]

No worries, have a lovely day! :)