以一個＊開始的參數，代表一個任意長的元組：

>>> def mul(*arg):

...???? print arg

...

>>> mul(1,2,3,4,5,6,7,'hello','panfei')

(1, 2, 3, 4, 5, 6, 7, 'hello', 'panfei') ＃一個元組

>>>

＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊

一個以＊＊開始的參數，代表一個字典：

>>> def mul2(**arg):

...???? print arg

...

>>> mul2(a=11,b=444,c=888)

{'a': 11, 'c': 888, 'b': 444} 一個字典

>>>

＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊

兩種參數前者可以直接寫實參，后者寫成名＝值的形式！

(轉載自： http://blog.163.com/hevensun@126/blog/static/20153363201272910241831/)

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