Yep, that's right. To lay out the example the way you did in the article, it would look like: >>> foo = A.b >>> bar = A.b >>> hex(id(foo)) '0xd

Yep, that's right. To lay out the example the way you did in the article, it would look like: >>> foo = A.b >>> bar = A.b >>> hex(id(foo)) '0xdeadbeef' >>> hex(id(bar)) '0xdecafcab' >>> foo is bar False