How to sort this array?

Question

How do I sort the array horizontally like,

1 2 3
4 5 6
7 8 9

10 11 12
13 14 15
16 17 18

19 20 21
22 23 24
25 26 27

pls help...
https://code.sololearn.com/c1b7A5fZJp1N/?ref=app

Answer 1

% operator can help you this time bro

https://code.sololearn.com/cUecGCgSDw7B/?ref=app

Answer 2

thanks