comments comment is message to someone reading your program comments are often used to describe what section of code does or how it worksespecially with tricky sections of code comments have no effect on your program single-line comments for single-line commentuse the character slightly sneaky way to get two values at once num num eval(input'enter two numbers separated by commas')you can also put comments at the end of linecount count each divisor contributes two the count multi-line comments for comments that span several linesyou can use triple quotes ""program namehello world authorbrian heinold date""print'hello world 'one nice use for the triple quotes is to comment out parts of your code often you will want to modify your program but don' want to delete your old code in case your changes don' work you could comment out the old code so that it is still there if you need itand it will be ignored when your new program is run here is simple example""print('this line and the next are inside comment 'print('these lines will not get executed '""print'this line is not in comment and it will be executed ' simple debugging here are two simple techniques for figuring out why program is not working use the python shell after your program has runyou can type in the names of your program' variables to inspect their values and see which ones have the values you expect them to have and which don' you can also use the shell to type in small sections of your program and see if they are working add print statements to your program you can add these at any point in your program to see what the values of your variables are you can also add print statement to see if point in your code is even being reached for instanceif you think you might have an error in