- Python : 3.7.3
- OS : Ubuntu 18.04.2 LTS
- IDE : pycharm-community-2019.1.3
- Conda : 4.7.5
- typesetting : Markdown
code
coder@ubuntu:~$ source activate py37
(py37) coder@ubuntu:~$ ipython
Python 3.7.3 (default, Mar 27 2019, 22:11:17)
Type 'copyright', 'credits' or 'license' for more information
IPython 7.5.0 -- An enhanced Interactive Python. Type '?' for help.
In [1]: def change(a, b):
...: return b, a
...:
In [2]: a = 10
In [3]: b = 20
In [4]: a, b = change(a, b)
In [5]: a,b
Out[5]: (20, 10)
In [6]: # 另一种表达
In [7]: c = 30
In [8]: d = 40
In [9]: c, d = d, c
In [10]: c
Out[10]: 40
In [11]: d
Out[11]: 30
In [12]: exit
(py37) coder@ubuntu:~$ conda deactivate
coder@ubuntu:~$
resource
- [文档 - English] docs.python.org/3
- [文档 - 中文] docs.python.org/zh-cn/3
- [规范] www.python.org/dev/peps/pep-0008
- [规范] zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules
- [源码] www.python.org/downloads/source
- [ PEP ] www.python.org/dev/peps
- [平台] www.cnblogs.com
- [平台] gitee.com
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。