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• ???????Python : 3.7.0
• ?????????OS : Ubuntu 18.04.1 LTS
• ????????IDE : PyCharm 2018.2.4
• ??????Conda : 4.5.11
• ???typesetting : Markdown

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code

coder@Ubuntu:~$ source activate py37
(py37) coder@Ubuntu:~$ ipython
Python 3.7.0 (default, Jun 28 2018, 13:15:42) 
Type 'copyright', 'credits' or 'license' for more information
IPython 6.5.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: my_str = "hello"

In [2]: it = iter(my_str)

In [3]: next(it)
Out[3]: 'h'

In [4]: next(it)
Out[4]: 'e'

In [5]: next(it)
Out[5]: 'l'

In [6]: next(it)
Out[6]: 'l'

In [7]: next(it)
Out[7]: 'o'

In [8]: next(it)  # 註意
---------------------------------------------------------------------------
StopIteration                             Traceback (most recent call last)
<ipython-input-8-a16b3a550cc4> in <module>()
----> 1 next(it)  # 註意

StopIteration: 

In [9]: exit
(py37) coder@Ubuntu:~$ source deactivate
coder@Ubuntu:~$ 
 

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resource

• [文檔] docs.python.org/3
• [規範] www.python.org/dev/peps/pep-0008
• [規範] zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules
• [源碼] www.python.org/downloads/source
• [ PEP ] www.python.org/dev/peps
• [平臺] www.cnblogs.com
• [平臺] gitee.com

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Python具有開源、跨平臺、解釋型、交互式等特性，值得學習。
Python的設計哲學：優雅，明確，簡單。提倡用一種方法，最好是只有一種方法來做一件事。

Python3基礎 iter+next 進行叠代時超出了範圍 產生StopIteration異常