Why doesn’t sort() work??

Question

Explain me please how to make it work?
https://code.sololearn.com/WgkZsYQ9KIFy/?ref=app

Answer 1

https://code.sololearn.com/WFlHhhmA9JjT/?ref=app

line 3 statement is wrong, you can change it to this :)

Answer 2

Line 3. You miss a closing bracket. Then it works perfectly...

Answer 3

Ronalyn, thank you so much for your answer! now it works)