MergeSort with recursion explanation

Question

Hi, guy I am learning mergesort algorithm and recursion. Could anyone please explain me or provide me a material about it? Also, I would like you guys to check my code about it.
Please help me.
https://code.sololearn.com/cznere8Gau1G/#py

Answer 1

This should guide you
https://www.google.com/amp/s/www.geeksforgeeks.org/merge-sort/amp/

Answer 2

https://www.sololearn.com/learn/774/

Answer 3

Any feedback?