entire file, 224 - 225
line by line, 225 - 227 , 228 - 229
nonsequentially, 227 - 228reasons for learning Python, 45
reassigning values to variables, 86
reboot command, 31
rebooting, 32
recursion, using with functions, 254
referencing
strings, 201 - 202
values in multidimensional lists, 168
regular expressions, 317 - 318
advanced features, 330 - 332
grouping, 331 - 332
patterns
anchor characters, 324 - 325
asterisk, 329
braces, 330 - 331
character classes, 326 - 327
dot character, 325 - 326
pipe symbol, 331
plain text, 321 - 323
plus sign, 330
question mark, 330
ranges, 328 - 329
special characters, 323
phone number validator script, 333 - 334
POSIX BRE engine, 318
POSIX ERE engine, 318
re module, 319 - 321
compiled regular expressions, 320 - 321
functions, 319 - 320
relational databases, 451
relative directory references, 219
remote email servers, 428
remove operation, 193
repetitive tasks, performing, 131
replacing list values, 162
required peripherals, 11 - 16
keyboard, 16
output display, 15 - 16