we have written our first real python script what did it dowhy did it do itneed to annotate the script sqrt py is real program now imagine you pass it to someone else or put it away for twelve months and come back to it forgetting how you wrote it in the first place chances are that the reader of your script might like some hints as to what it is doing and why "commentsin computer programs are pieces of text that describe what ios going on without getting in the way of the lines of code that are executed