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Core Python Programming, Second Edition by Wesley J. Chun

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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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