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#演示可变参数函数 #!/usr/bin/python def f1(a,b): print a,b def f2(a,*b): print a,b def f3(a,**b): print a,b def f4(a,*b,**c): print a,b,c def f5(a,b=2,c=3): print a,b,c def f6(a,b=2,*c): print a,b,c f1(1,2) 1 2 f1(b=2,a=1) f2(1,2,3,4) 1 (2, 3, 4) f3(1,x=2,y=3,z=4) 1 {'y': 3, 'x': 2, 'z': 4} f4(1,x=2,y=3) 1 () {'y': 3, 'x': 2} f5(1) 1 2 3 f5(1,4) 1 4 3 f6(1) 1 2 () f6(1,3,4,5,4) 1 3 (4,5,4)