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Python pop(0) は Perl で言うところの shift


$ python
    Python 3.5.2 (default, Jun 28 2016, 08:46:01) 
    [GCC 6.1.1 20160602] on linux
    Type "help", "copyright", "credits" or "license" for more information.

    >>> l = [ 100, 200, 300 ]
    
    # 引数なしは pop(-1) と同義
    >>> l.pop()
    300
    >>> l
    [100, 200]

    # 引数に先頭要素を設定すれば Perl で言うところの shift
    >>> l.pop(0)
    100
    >>> l
    [200]

 

Last modified: 2016-12-19

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Author: 中村 心 Shin Nakamura, Email: sn(at)i.basicwerk.com


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