python_类变量、私有属性

# !/user/bin/env python
# -*- coding:utf-8 -*-
# Author:feifei

class Role(object):
    n = 123
    def __init__(self,name,role,weapon,life_value=100,money=15000):
        self.name = name
        self.role = role
        self.weapon = weapon
        self.life_value = life_value
        self.money = money

    def shot(self):
        print("shooting...")

    def got_shot(self):
        print("ah...,I got shot...")

    def buy_gun(self,gun_name):
        print("just bought %s" %gun_name)


r1 = Role('Alex','police','AK47') #生成一个角色
print(r1.n)
Role.n = 456
r2 = Role('Jack','terrorist','B22')  #生成一个角色
print(r1.n)
print(r2.n)
'''
私有属性，私有方法
私有属性、私有方法，变量前加双下划线__
私有属性、私有方法，外部不可访问，只能内部访问，内部修改
'''