查看对象类型：class type(name, bases, dict)

>>> type({4,6,1})
<class 'set'>
>>> type({'a':[1,2,3],'b':[4,5,6]})
<class 'dict'>
>>> class Student():
      def __init__(self,id,name):
        self.id = id
        self.name = name

>>> type(Student('1','xiaoming'))
<class '__main__.Student'>