可变参数定义的时候,前边加上*
函数里可以当做元组读取可变参数
例子:
def tupleVarArgs(arg1,arg2='defaultB',*theRest): print 'formal arg 1:',arg1 print 'formal arg 2:',arg2 for eachXtrArg in theRest: print 'another arg:',eachXtrArg
>>> tupleVarArgs('abc')formal arg 1: abcformal arg 2: defaultB>>> tupleVarArgs(23,4.23)formal arg 1: 23formal arg 2: 4.23>>> tupleVarArgs('abc',123,'xyz',344.23)formal arg 1: abcformal arg 2: 123another arg: xyzanother a......
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