- python : 3.7.0
- OS : Ubuntu 18.04.1 LTS
- IDE : PyCharm 2018.2.4
- conda : 4.5.11
- type setting : Markdown
code
"""
@Author : 行初心
@Date : 18-9-23
@Blog : www.cnblogs.com/xingchuxin
@GitHub : github.com/GratefulHeartCoder
"""
class MyClass:
def __init__(self, work, score):
self.work = work
self.score = score
def __delattr__(self, name):
print("你正在删除一个属性")
return super().__delattr__(name)
def main():
test = MyClass(work="math", score=100)
# 删除work属性
del test.work
# work属性删除,score属性还在
print(test.score)
try:
print(test.work)
except AttributeError as reason:
print(reason)
if __name__ == '__main__':
main()
result
/home/xcx/anaconda3/envs/xingchuxin/bin/python /home/xcx/PycharmProjects/oop/demo.py
你正在删除一个属性
100
'MyClass' object has no attribute 'work'
Process finished with exit code 0
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/
tips
行初心 会根据所学的知识,对博文进行更新。
该博文地址:https://www.cnblogs.com/xingchuxin/p/9695478.html
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。