Answer 1

Raja Hamza Bashir ,

here is a link to a short tutorial from sololearn,where you can find some more information:

https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2276/?ref=app

Answer 2

It checks for equality.
https://www.w3schools.com/JUMP_LINK__&&__python__&&__JUMP_LINK/python_operators.asp