add lab-p2 and p2

lab-p2/README.md

lab-p2/bool.ipynb

lab-p2/images/README.md

lab-p2/images/autoGrader_results.png

lab-p2/images/jupyter_shell.PNG

lab-p2/images/notebooks.png

lab-p2/images/raw_gitlab.png

lab-p2/images/raw_gitlab_button.png

lab-p2/mod.ipynb

lab-p2/ops.ipynb

p2/README.md

p2/images/README.md

p2/images/add_group_member.png

p2/images/correct.PNG

p2/images/gradescope.png

p2/images/semantic_error.PNG

p2/images/syntax_error.PNG

p2/p2.ipynb

p2/public_tests.py

p2/rubric.md