Code, comment and displlay enhancements for the jupyter notebook

Created by: didi-hou

• Deleted unnecessary code snippets;

• Improved code comments;

• Improved markdown texts.

requested review from @didihou

assigned to @didihou

assigned to @didihou

added code improvement label

Created by: shimoura

Review: Approved

Merged by: shimoura at 2023-10-27 16:01:42 UTC

merged manually

closed