Coursera machine learning multiple-linear-regression optional lab

Hi every one I get a little confused about understanding the whole code of the optional lab even I already had I background about coding with python since I already take a course in introduction to python with cs50p, is it necessairely to deep understand the whole code or just You can comprehend the logic and keep moving for the next item in the course and I will deep understand all in the upcoming days in this course , and thanks for any help

I recommend you post your question in the forum area for that course.

You can find all the forums in the 'Course Q&A" topic.