Python在函数中接收元组和列表

这个例子好像比较不太好理解，记下：

>>> def powersum(power, *args):
... '''Return the sum of each argument raised to specified power.'''
... total = 0
... for i in args:
... total += pow(i, power)
... return total
...
>>> powersum(2, 3, 4)
25

>>> powersum(2, 10)
100 

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分解：

def powersum(power,*args):

    total=0

    print 'power =',power

    for i in args:

        print 'i =',i

        total+=pow(i,power)

    return total

print powersum(2,3,4)

print powersum(2,10)

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结果：

power = 2

i = 3

i = 4

25

power = 2

i = 10

100