key-value pair, dictionaries
adding, 152
deleting, 153–154
replacing, 153
keyboards
key constants, list of, 432–436
reading
alphabetic keys, 381
is_pressed() method, 381–382
keystrokes, testing for, 381–382
numeric keys, 381
Read Key program example, 379–382
KeyError exception type, 215
keys, dictionaries, 149
keys() method, 155
keystrokes, reading, 381–382
keyword arguments, positional parameters and, 176