source:http://www.cnblogs.com/fengmk2/archive/2008/04/21/1163766.html
先来看个例子:
def foo(*args, **kwargs):
print 'args = ', args
print 'kwargs = ', kwargs
print '---------------------------------------'
if __name__ == '__main__':
foo(1,2,3,4)
foo(a=1,b=2,c=3)
foo(1,2,3,4, a=1,b=2,c=3)
foo('a', 1, None, a=1, b='2', c=3)
输出结果如下:
args = (1, 2, 3, 4)
kwargs = {}
---------------------------------------
args = ()
kwargs = {'a': 1, 'c': 3, 'b': 2......
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