Adding the Median algorithm Python Code

[JVBravoo]

Is your feature request related to a problem? Please describe

My feature is actually an algorithm that gets the median value of an array. Ex: When you need the median value of some data that your supervisor is needing it.

Describe the solution you'd like

That the algorithm gets the median value.

Describe alternatives you've considered

There are some other ways to have the same result as I had. But since I made this algorithm with my teacher of algorithm, I think mine is clear and complete.

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[JVBravoo]

Please assign me this issue under Hacktoberfest 2022.
And please link to my PR with the same title