17篇文章 · 2343字 · 1人关注
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itertools - functions creating iterators for efficient loopingInfinite iterators: itertool functions:
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yield generator使用yield，可以让函数生成一个序列，该函数返回的对象类型是"generator"，通过该对象连续调用next()方法返回序列值。Doc Li...
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import re (1) - Matching Charactersimport re
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import re (2) - Using Regular Expressionimport re
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class and subclassRef link 1. instance parameters in subclass are all included in parent c...
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class parameter(auto storage) and instance parameter(static) in pythonDifference between class parameter and instance parameter: 1. instance p...
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sorted key function
General usage: sorted(iterable, key=function/itemgetter/attrgetter(index...
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the loops in iterable, and converting between types
for x in iterable_string/list/list_item/tuple/tuple_item: deal with...
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Built-in Functions 11-2011.range(n,n2): from n, but n2 not included. res = []for i in range(2700...
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