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Python 类的参数self

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Python 类的参数self

类的参数self

  • self是类函数中的必传参数, 且必须放在第一个参数位置
  • self是一个变量,他代表实例化的变量本身
  • self可以直接通过定义点来定义一个类变量 self.name = 'dewei'
  • self中的变量与含有self参数的函数可以在类中的任何一个函数内随意调用
  • 非函数中定义的变量在定义的时候不用self

代码

# coding:utf-8

def sleep(name):
   return name

class Person(object):
    name = None
    age = None

    def run(self):
        print(f'{self.name}在奔跑')

    def jump(self):
        print(f'{self.name}在跳跃')


    def work(self):
        self.run()
        self.jump()
        # def sleep(name):
        #     return name
        result = sleep(self.name)
        print('sleep result is', result)



xiaomu = Person()
xiaomu.name = '小慕'
xiaomu.jump()

dewei = Person()
dewei.jump()

dewei.top = 174
print(dewei.top)
# print(xiaomu.top)
print(dewei.age)
print('--------')
xiaomu.work()

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