September 2006
Intermediate to advanced
1136 pages
26h 5m
English
Content preview from Core Python Programming, Second Edition
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Chapter 6. Sequences: Strings, Lists, and Tuples
Chapter Topics
The next family of Python types we will be exploring are those whose items are ordered sequentially and accessible via index offsets into its set of elements. This group, known as sequences, includes the following types: strings (regular and unicode), lists, and tuples.
We call these sequences because they are made up of sequences of “items” making up the entire data structure. For example, a string consists of a sequence of characters (even though Python does not have an explicit character type), so the first character of a string “Hello” is ‘H’, the second character is ‘e’, and so on. Likewise, lists and tuples ...
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