Listbox widget, 378 - 380
Menu widget, 380 - 381
Text widget, 377 - 378
windows, creating, 364 - 366
transferring operating system to SD card, 21
transparency, adding to images, 405 - 406
traversing sets, 191 - 192
trigonometric functions in math module, 108
triple quotes, 74 - 78
troubleshooting Raspberry Pi, 24 - 25
CGI, 480 - 482
peripheral cords, 24
try except statement, 344
creating multiple blocks of, 347 - 350
options, 350 - 352
tuples, 155 - 160
accessing data in, 157
comparing, 124
comparison operations, 158 - 159
concatenating, 160
creating, 155 - 156
index values, 157
iteration, 168 - 169
maximum value, identifying, 159 - 160
minimum value, identifying, 159 - 160
number of values in, identifying, 159
range of values, accessing, 157 - 158
turning off Raspberry Pi, 23
type function, 87
U
unassigned variables, 84
Unicode, 46
displaying, 76 - 77
updating
dictionaries, 180 - 181
Raspbian Linux distribution software, 41 - 43
sets, 192 - 193
upside-down trees, 217
Upton, Eben, 7
U.S. keyboard, configuring, 49 - 50