working on a python multi-part question

Learning Goal: I’m working on a python multi-part question and need an explanation and answer to help me learn.So I have this python assignment that needs to be done in Google Colab.I have attached the file ( and Assignment.ipynb which are the same thing) to this post.There is 5 steps that need to be done which are labeled inside the assignment. I have done step 1 and 2, but I need help with step 3, 4 and 5.I will tip base on clarity of the code.
Requirements: Follow the requirments   |   .doc file

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