Python : 3.7.3
OS : Ubuntu 18.04.2 LTS
IDE : pycharm-community-2019.1.3
Conda : 4.7.5
typesetting : Markdown
code_1 """ @Author : 行初心 @Date : 2019/7/2 @Blog : """ # 先调用，再定义函数。会报错！ say_hello() def say_hello(): print("hello world") result_1 /home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/Base/demo.py Traceback (most recent call last): File "/home/coder/PycharmProjects/Base/demo.py", line 8, in <module> say_hello() NameError: name \'say_hello\' is not defined Process finished with exit code 1
code_2 """ @Author : 行初心 @Date : 2019/7/2 @Blog : """ def say_hello(): print("hello world") say_hello() result_2 /home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/Base/demo.py hello world Process finished with exit code 0
resource
[文档 - English] docs.python.org/3
[文档 - 中文] docs.python.org/zh-cn/3
[规范]
[规范] zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules
[源码]
[ PEP ]
[平台]
[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。