Checkbutton widget, 373 - 375
classes, 278 - 279
the class problem, 293 - 294
default attribute values, 279 - 280
deleting, 285
documenting, 286
inheritance, 295 - 302
instantiating, 279
methods, 280 - 287
accessor methods, 281 - 283
constructors, 283 - 284
mutator methods, 280 - 281
modules, creating, 287 - 289
output, customizing, 284 - 285
subclasses, 294 - 295 , 308 - 314
creating, 297 - 298
polymorphism, 306
storing in its own object module file, 301 - 302
superclasses, 294
client programs
creating, 441 - 444
running, 443 - 445
client/server programs, 438 - 439
closing files, 228 - 231
cocos2D, 389
color coding syntax in development environment, 53
combining condition checks, 126 - 127
command line, 29 - 33
entering commands, 31 - 33
whoami command, 29
commands
calendar, 30
cat -n, 338 - 339
for creating Python scripts, 65
entering at command line, 31 - 33
ls, 31
mkdir, 31
nano, 65
pwd, 31
reboot, 31
reviewing, 54