Can someone please explain what’s going on here?

Question

https://code.sololearn.com/coUMiHycKBch/?ref=app

Answer 1

Here I have added comments which I think explain it all if you still don't understand anything tell me

https://code.sololearn.com/cynDOO0e1Y0N/?ref=app

Answer 2

Hi. First you swap values, then print value of x, multiply it by 2 (x presented as string) and print x again. Loop is not needed in your program.

Answer 3

thanks a lot, it’s clear now