Python3基礎 A類作為B類的實例變量
阿新 • • 發佈:2018-09-24
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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 Girls: def __init__(self, num): self.num = num class Boys: def __init__(self, num): self.num = num class Class: # 組合,其他類的實例化,在這裏類的實例化中進行 def __init__(self, boy_num, girl_num): self.boys = Boys(boy_num) self.girls = Girls(girl_num) def introduction(self): print("班級共有", self.boys.num, "個男生") print("班級共有", self.girls.num, "個女生") def main(): my_class = Class(boy_num=20, girl_num=30) my_class.introduction() if __name__ == ‘__main__‘: main()
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result
/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/oop/demo.py
班級共有 20 個男生
班級共有 30 個女生
Process finished with exit code 0
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resource
- [文檔] https://docs.python.org/3/
- [規範] https://www.python.org/dev/peps/pep-0008/
- [規範] https://zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules/
- [源碼] https://www.python.org/downloads/source/
- [ PEP ] https://www.python.org/dev/peps/
- [平臺] https://www.cnblogs.com/
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Python具有開源、跨平臺、解釋型、交互式等特性,值得學習。
Python的設計哲學:優雅,明確,簡單。提倡用一種方法,最好是只有一種方法來做一件事。
代碼的書寫要遵守規範,這樣有助於溝通和理解。
每種語言都有獨特的思想,初學者需要轉變思維、踏實踐行、堅持積累。
Python3基礎 A類作為B類的實例變量