Complete scripts for every program featured in the text, such as the "Guess My Number" game, "Craps Roller," and various "Trivia" programs. Media Assets:
You might be tempted to skip downloading the source zip, thinking you can just write the code yourself from the book's screenshots. Here is why that is a bad idea:
You are running the script from the wrong working directory. Fix: Use cd to navigate to the folder containing the script before running it. Alternatively, modify the script to use absolute paths.