Someone who can tell me about Python's while loops?

Answer 1

https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2281/
You can read from here

Answer 2

Yes, you can ofcourse read up on the content that SoloLearn itself has provided.
Additionally these are some materials that I found to be very easy to understand, check them out!

https://www.geeksforgeeks.org/JUMP_LINK__&&__python__&&__JUMP_LINK-while-loops/amp/

https://www.w3schools.com/python/python_while_loops.asp

I also recommend just searching on YouTube the name of the topic you want to master. Watching a video or two about the same can really put you ahead in the game ;)