# -*- coding:utf-8 -*-
class Course:
    language = ['Chinese']
    def __init__(self,teacher):
        self.teacher = teacher
python = Course('lin')
linux = Course('yao')
python.language = ['EN']    #重新赋值是独立的
print(Course.language)
print(python.language)
print(python.__dict__)
print(Course.language)
print(linux.__dict__)
print(linux.language)
del python.language        #删除属性
python.language[0] = 'EN'  #通过list修改，修改是共享的
print(Course.language)
print(linux.language)
print(python.language)