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- python : 3.7.0
- OS : Ubuntu 18.04.1 LTS
- IDE : PyCharm 2018.2.4
- conda : 4.5.11
- type setting : Markdown
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code
[email protected]:~$ source activate py37
(py37) [email protected]:~$ 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]: content = "hello,world"
In [2]: hello_str = content.split(",")
In [3]: hello_str
Out[3]: [‘hello‘, ‘world‘]
In [4]: hello_str,world_str = content.split(‘,‘, 1)
In [5]: hello_str
Out[5]: ‘hello‘
In [6]: world_str
Out[6]: ‘world‘
In [7]: exit
(py37) [email protected]:~$ source deactivate py37
[email protected]:~$
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more knowledge
split(self, /, sep=None, maxsplit=-1)
Return a list of the words in the string, using sep as the delimiter string.
sep
The delimiter according which to split the string.
None (the default value) means split according to any whitespace,
and discard empty strings from the result.
maxsplit
Maximum number of splits to do.
-1 (the default value) means no limit.?
[email protected]:~$ source activate py37
(py37) [email protected]:~$ 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,world,hello,world"
In [2]: my_str.split(‘,‘, 1)
Out[2]: [‘hello‘, ‘world,hello,world‘]
In [3]: my_str.split(‘,‘, 2)
Out[3]: [‘hello‘, ‘world‘, ‘hello,world‘]
In [4]: my_str.split(‘,‘, 3)
Out[4]: [‘hello‘, ‘world‘, ‘hello‘, ‘world‘]
In [5]: my_str.split(‘,‘, 4)
Out[5]: [‘hello‘, ‘world‘, ‘hello‘, ‘world‘]
In [6]: exit
(py37) [email protected]:~$ source deactivate py37
[email protected]:~$
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resource
- [文档] https://docs.python.org/3/
- [规范] https://www.python.org/dev/peps/pep-0008/
- [规范] https://zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules/
- [源码] https://www.python.org/downloads/source/
- [ PEP ] https://www.python.org/dev/peps/
- [平台] https://www.cnblogs.com/
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Python具有开源、跨平台、解释型、交互式等特性，值得学习。
Python的设计哲学：优雅，明确，简单。提倡用一种方法，最好是只有一种方法来做一件事。
代码的书写要遵守规范，这样有助于沟通和理解。
每种语言都有独特的思想，初学者需要转变思维、踏实践行、坚持积累。
原文地址：https://www.cnblogs.com/xingchuxin/p/9696337.html
时间： 2024-08-30 13:15:49