why we need to use single line comments the slashes tell the coiled to ignore everything that following until the end of line if we will not use // print " hello world " it will not changes statement

Answer 1

Use comments to put notes in your code or to dummy out a chunk of code you want to be able to put back quickly.

Answer 2

We don't NEED to use comments, but they make life easier.

Answer 3

you're right but you haven't understand something ,it is that the reason of using comments is improving the code's readability and enhancing our comprehension