def funct3(x, y=1, z=1, *tup): print((x, y, z) + tup) def funct4(x, y=1, z=1, **dictionary): print(x, y, z, dict)*tup表示任意多个无名参数,类型为tuple,**dictionary表示关键字参数,类型为dictionary。当*tup和**dict一起使用时,*tup必须在**dict之前