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# -*- coding:utf-8 -*-

__author__ = 'gjw'

__time__ = '2018/1/9 0009 下午 2:31'

# 题目：模仿静态变量(static)另一案例。

# 程序分析：演示一个python作用域使用方法

class Num:

nNum = 1

def inc(self):

self.nNum += 1

print('nNum = %d' % self.nNum)

if __name__ == '__main__':

# 创建了同一个实例

nNum = 2

inst = Num()

for i in range(3):

nNum += 1

print('The num = %d' % nNum)

inst.inc()

print(Num.nNum)

# 创建多个实例

print("---创建多个实例---")

for i in range(3):

inst1 = Num()

nNum += 1

print('The num = %d' % nNum)

inst1.inc()

print(Num.nNum)