Tuple

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Tuple An immutable data value that contains related elements. Tuples are used to group together related data, such as a person‘s name, their age, and their gender.

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Heterogeneous（异构）?can be composed of elements of different types.

year_born = ("Paris Hilton", 1981)

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students = [

    ("John", ["CompSci", "Physics"]),

    ("Vusi", ["Maths", "CompSci", "Stats"]),

    ("Jess", ["CompSci", "Accounting", "Economics", "Management"]),

    ("Sarah", ["InfSys", "Accounting", "Economics", "CommLaw"]),

    ("Zuki", ["Sociology", "Economics", "Law", "Stats", "Music"])]

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Packing & Un-Packing

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Reference：<How to Think Like a Computer Scientist>

Tuple

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原文地址：http://www.cnblogs.com/permanence-practice/p/4852058.html