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8.3函数的return-小嘉欣的博客
source link: http://blog.51cto.com/10777193/2072839
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函数的return#-*-coding:utf-8-*-__date__='2018/2/2511:15'__author__='xiaojiaxin'__file_name__='函数返回值'defadd(*args):sum=0foriinargs:print(i)sum+=ireturn(sum)a=add(1,4,5)print(a)#不写return语句，默认语句为nonereturn里
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