Demonstration of Audacity for Making Sound Effects

How to make special sound effects using the free audio program Audacity. A small correction: I said that a 13-semitone change would move the pitch an octave, but it is actually 12. There are 12 different notes, and to move an octave you move 12 times to get back to the same note of the scale.

Carter Sande Teaches Python Functions

Carter Sande teaches how to use functions to a class at Diablo Valley College College for Kids. A couple of notes on this excellent presentation: At one point Carter says “brackets” when he means parentheses. And for style, I prefer spaces around operators, and whitespace around functions.

Python Simple Text Adventure 3

We add a feature limiting the number of times an event can occur.