Page 441 -
P. 441
the index
tkinter library, 233–236, 238, 255, 341 view, 277. (see also widgets)
toggle switch. (see Checkbutton() widget) visual toggle. (see Checkbutton() widget)
transaction file, 179–184, 188–191 volume, adjusting, 336–345
true value, 14
try statement, 298–300, 311
TVN example, 169–174. (see also game show example) W
Twitter, sending messages to, 93–98, 101
TypeError message, 63–64 wait_finish() function, 221, 223
types. (see datatypes) WAV files, 221, 223
web pages, as strings, 49
West, Dave (Head First Object-Oriented Analysis &
Design), 392
U while loop, 29–33, 61–65
white space
Unicode character encoding system, 394
in code, 22
unittest module, 389 removing from strings, 56
upper() method, strings, 54, 56 specifying in format strings, 182
uppercase, converting strings to, 54 splitting strings at, 121–124
widgets
urllib.request library, 69
Button() widget, 234–236, 239–244, 245, 255
urlopen() function, 49
choosing, 341
compared to objects, 368
for data entry. (see data entry widgets)
V event loop for, 255
Frame() widget, 364, 373, 383
grouping, 363–364
ValueError message, 119–120 Label() widget, 248–253, 255
variables, 4, 35 list of, 248
collections of. (see data structures) positioning, 235–238
control variables, 278 Window Manager, 348
global variables, 108–109, 244 Window Manager events, 319–324, 326–327
local variables, 105, 106, 111 WM_DELETE_WINDOW message, 322
scope of, 104–108, 111
WM_SAVE_YOURSELF message, 322
vi editor, 395
WM_TAKE_FOCUS message, 322
406 Index

