Conventions Used in This Book
The following typographical conventions are used throughout this book:
Used for commands, URLs, filenames, file extensions, directory or
folder names, emphasis, and new terms where they are defined.
- Constant width
Used for all code listings and to designate anything that would
appear literally in a Python or C program. This includes module
names, method names, class names, function names, statements, and
- Constant width italic
Used for general placeholders that indicate that an item should be
replaced by some actual value in your own program.
Constant width bold
Used to emphasize particular lines within code listings and show
output that is produced.