p9 and lab9

sum23/labs/lab9/README.md

sum23/labs/lab9/images/README.md

sum23/labs/lab9/images/median_ratings_by_cast.png

sum23/labs/lab9/images/min_ratings_by_cast.png

sum23/labs/lab9/practice.ipynb

sum23/labs/lab9/practice_test.py

sum23/projects/p9/README.md

sum23/projects/p9/images/README.md

sum23/projects/p9/images/add_group_member.png

sum23/projects/p9/images/coppola_median_genres.png

sum23/projects/p9/images/genre_num.png

sum23/projects/p9/images/gradescope.png

sum23/projects/p9/images/kathryn_genres.png

sum23/projects/p9/images/sci_fi_decade_mapping.png

sum23/projects/p9/mapping.csv

sum23/projects/p9/movies.csv

sum23/projects/p9/p9.ipynb

sum23/projects/p9/p9_test.py

sum23/projects/p9/rubric.md