- note #1: distribution of digits of powers of 2
- note #2: graph coloring and chromatic numbers
- note #3: shortcuts for complex numbers in Python
- note #4: delete by position (to be completed)
- note #5: generating deep-copied lists of lists
- note #6: stuff about Roman numerals
- note #7: “do-while” loops
- note #8: subtleties of assignment
- note #9: regular expressions
- note #10: the Collatz conjecture
- note #11: counting “whale”s in Moby Dick
- note #12: 5 ways to invert a dictionary