python变长参数的使用场景

#coding:utf8

def powersum(power, **args):

    print type(args)

    print "args is %s" % args

    for k,v in args.items():

        print k,":",v

    print

y = {'age':18, 'name':'xxmcf'}

powersum(0, **y)

powersum(0, args=y)