Boris Borcic wrote: > ripleyfu at gmail.com wrote: > >>>> class A: > > ... pass > > ... > >>>> a = A() > >>>> b = a > >>>> del b > >>>> a > > <__main__.A instance at 0x00B91BC0> > > I want to delete 'a' through 'b', why It does't? > > How can I do that? > > del a,b But 'b' is also deleted, i want use 'b' to delete 'a', 'b' is exists.