In [1]: i = 1

In [2]: s = '字符'

In [3]: alist=['1',1]

In [4]: adict={'one':1}

In [5]: aset={1,2}

In [6]: type(i)
Out[6]: int

In [7]: type(s)
Out[7]: str

In [8]: type(alist)
Out[8]: list

In [9]: type(adict)
Out[9]: dict

In [10]: type(aset)
Out[10]: set

In [11]: i.__class__
Out[11]: int

In [12]: s.__class__
Out[12]: str

In [13]: alist.__class__
Out[13]: list

In [17]: int.__class__
Out[17]: type

In [18]: str.__class__
Out[18]: type

In [19]: type.__class__
Out[19]: type