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[python][Basic] Determine whether a variable is iterable

高洛峰
Release： 2017-02-18 10:32:09
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Method one:

Applicable to python2 and python3

>>> from collections import Iterable
>>> isinstance("str", Iterable)
True
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Method two:

Applicable to python3

s = "hello world"
hasattr(s, "__iter__")
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