www.yiye.tech

https://www.python.org/downloads/release/python-364/listclassmates = ['Michael', 'Bob', 'Tracy']//根据索引访问元素，索引-1表示最后一个元素classmates[0],classmates[1],classmates[2]classmates[-1],classmates[-2]

两种不同的定义类的方法（历史遗留问题）class OldClass: def _init_(self,name) self.name = nameclass NewClass(object): def _init_(self,name) self.name = nameif __name__ == '__main__': old ...

类的继承（Python支持多继承）class Student(People): stu_number=0 def __init__(self,name,sex,address,age,stu_number): self.name = name self._sex = sex self._People__adress = add...

Python 命名规范module_name, package_name, 模块名， 包名ClassName, ExceptionName, 类名， 异常名（以Error结尾），将相关的类和顶级函数放在同一个模块里，不必要将一个类放置在一个模块（文件.py）,所以模块名或者说文件名是小写。method_name, function_name, 方法名， 函数名GLOBAL_VAR_NAME...

slotsclass People(object): __slots__ = ("name", "age") def __init__(self, name, age): self.name = name self.age = age self.gender = 1if __name__ == '__main__': ...