September 2006
Intermediate to advanced
1136 pages
26h 5m
English
Content preview from Core Python Programming, Second Edition
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Chapter 7. Mapping and Set Types
Chapter Topics
In this chapter, we take a look at Python’s mapping and set types. As in earlier chapters, an introduction is followed by a discussion of the applicable operators and factory and built-in functions (BIFs) and methods. We then go into more specific usage of each data type.
7.1 Mapping Type: Dictionaries
Dictionaries are the sole mapping type in Python. Mapping objects have a one-to-many correspondence between hashable values (keys) and the objects they represent (values). They are similar to Perl ...
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