data, storing in files, 208–213
database management system (DBMS), 80
DBMS (database management system), 80
default parameter values, 174, 176–178
del command, 133–134
delete() method, 321
deleting
items from dictionaries, 153–154
list elements, 133–134
slices from lists, 134
derived classes, 271–274, 279
destroy() method, 351
dialog boxes, Not Saved, 12
dictionaries
considerations for, 154–155
creating, 148
Geek Translator program example, 147
key-value pair
adding, 152
deleting, 153–154
replacing, 153
keys
retrieving values using, 149
testing for, 150
methods for, 155
new terms, adding, 152
real-life, 149
die() method, 408–409, 417
display() function, 170
division (/) operator, 31
docstring (document string), 167–168
document string (docstring), 167–168
documenting functions, 167–168