How do I comment on other people's program?

Answer 1

@<person name>
//type comment

Answer 2

in the upper side there are 2 arrows for upvote or downvote next to them is comments press on it and you enter the comments section.

Answer 3

your welcome 😁👍

Answer 4

thanks😊

Answer 5

//comments

Answer 6

// - single line
/* */ - many line

Answer 7

🤙🤙