- 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 : www.cnblogs.com/xingchuxin
@Gitee : gitee.com/zhichengjiu
"""
# 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 : www.cnblogs.com/xingchuxin
@Gitee : gitee.com/zhichengjiu
"""
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] 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。