even though single-line and multiline comments are both commentsthe idle editor makes it easy to tell the difference between the two when you're using the default color schemesingle-line comments show up in red textwhile multiline comments show up in green text python doesn' care about the colorationit' only there to help you as the developer using comments to leave yourself reminders lot of people don' really understand comments -they don' quite know what to do with notes in code keep in mind that you might write piece of code today and then not look at it for years you need notes to jog your memory so that you remember what task the code performs and why you wrote it in facthere are some common reasons to use comments in your codereminding yourself about what the code does and why you wrote it telling others how to maintain your code making your code accessible to other developers listing ideas for future updates providing list of documentation sources you used to write the code maintaining list of improvements you've made you can use comments in lot of other waystoobut these are the most common ways look at the way comments are used in the examples in the bookespecially as you get to later where the code becomes more complex as your code becomes more complexyou need to add more comments and make the comments pertinent to what you need to remember about it using comments to keep code from executing developers also sometimes use the commenting feature to keep lines of code from executing (referred to as commenting outyou might need to do this in order to determine whether line of code is causing your application to fail in factit' such common and useful way to work with code that technique for adding this sort of comment is built right in to idle here' an example of