Adding the Median algorithm Python Code

[JVBravoo]

Description

I added a new algorithm, that gets the median value of an array

Fixes #[ISSUENO]

Dependencies

Only one dependency is needed, which is:
import random

Future Improvements

Mention any improvements to be done in future related to any file/feature

Mentions

Mention and tag the people

Screenshots of relevant screens

Didn't think it was necessary

Developer's checklist

• My PR follows the style guidelines of this project
• I have performed a self-check on my work

If changes are made in the code:

• I have followed the coding guidelines
• My changes in code generate no new warnings
• [] My changes are breaking another fix/feature of the project
• [] I have added test cases to show that my feature works
• [] I have added relevant screenshots in my PR

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[github-actions]

PR is not linked to any issue, please make the corresponding changes in the body.

[JVBravoo]

I just created the issue that was requested #443 (comment)