Python3基础 issubclass 判断基类

Posted xingchuxin

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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

"""
@Author : 行初心
@Date   : 18-9-23
@Blog   : www.cnblogs.com/xingchuxin
@GitHub : github.com/GratefulHeartCoder
"""


class Father:
    pass


class Son(Father):
    pass


class GrandSon(Son):
    pass


class MyClass:
    pass


def main():
    print(issubclass(MyClass, object))

    print(issubclass(MyClass, GrandSon))

    print(issubclass(GrandSon, (Son, MyClass)))

    print(issubclass(MyClass, MyClass))


if __name__ == ‘__main__‘:
    main()

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result

/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/oop/demo.py
True
False
True
True

Process finished with exit code 0

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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。





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