python中如何在不同模块间共享全局变量

如何将多个变量能够在不同的模块间可以修改访问里面的数据

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直接将变量加入到__bulitin__即可

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conf.py

variable1 = "variable1"
variable2 = "variable2"

main.py

import conf
import lib
conf.variable1 = "main"
lib.run()

lib.py

import conf

def run():
    print conf.variable1 #main
    print conf.variable2 #variable2