Ignore a line of code and see how a program will run without it:

When you ask a question, don’t forget to include a link to the exercise or project you’re dealing with!

If you want to have the best chances of getting a useful answer quickly, make sure you follow our guidelines about how to ask a good question. That way you’ll be helping everyone – helping people to answer your question and helping others who are stuck to find the question and answer! :slight_smile:

** https://www.codecademy.com/courses/learn-python-3/lessons/learn-python-syntax/exercises/comments**
i could not understood what this code used for or mean.please explain??

useful_value = old_sloppy_code()

useful_value = new_clean_code():slightly_smiling_face:

It is an example of how you can try each of two different expressions in a script by placing # first in front of one, then the other, to see which gives the result you want. In this case, the expressions themselves have no “meaning” that you need be concerned about.