In [80]: class MyClass001:

....: def selfDemo(self):

....: print 'My Demo'

....:

In [81]: p = MyClass001()

In [82]: p.selfDemo()

My Demo

In [83]:

In [83]: class MyClass002:

....: def selfDemo(self):

....: print self

....:

In [84]: p=MyClass002()

In [85]: p.selfDemo()

<__main__.MyClass002 instance at 0x7f308a0394d0>

In [86]: