There are many threads related to the assignment you are having issue, as your topic lacks information about what is not working with your assignment, I can best suggest you to use search tool for Housing price assignment, refer those thread.
Also kindly refer the FAQ section to go through guidelines as
- You are not following community guidelines.
- You are not following code of conduct.
- You have not assigned the topic in the right category to get response from respective course mentors.
- You have not explained your issue briefly other than posting your codes from grade cell which is prohibited.
Kindly provide information if you have encountered error then share a screenshot of the error. If failing the assignment, then share a screenshot of submission grader output which gives detail on why you failed. If any doubt, explain briefly about the doubt.
Note: For this time, I am moving your thread to the right category. As you are beginner I sincerely suggest you to go through FAQ section for better use of Discourse community.
Sharing a similar link thread that might help you with your issue, let me know if you have any doubt?
Regards
DP