Please tell the error in my code

Question

string splitting and sorting pgm

https://code.sololearn.com/chWtEkKk81ZX/?ref=app

Answer 1

You don't need the c
Just type b.sort() in one line and then iterate over b.

Also put \n in the input string so that following prints will print in next line

Answer 2

thanks it works. but why does it not work when I create one more variable? what goes wrong then?