On Thu, Apr 21, 2011 at 02:38:52AM -0700, vino19 wrote: > Hello, I'm a newbie. > What's the defference between >> >>>a=-6; b=-6; a is b > >>>True >> and >> >>>a=-6 > >>>b=-6 > >>>a is b > >>>False >> ? > -- > http://mail.python.org/mailman/listinfo/python-list Depends on how the interpreter was implemented.