len() should always return something

[superpollo]

Mark Dickinson wrote:
> On Jul 24, 3:11 pm, "Rhodri James" <rho... at wildebst.demon.co.uk>
> wrote:
> 
>>Which doesn't make your point less valid.  In fact I'd go so
>>far as to argue that what len() gives you is the number of
>>items in a container, so len(7) should return 0.
> 
> 
> Nah.  7 contains three bits, so len(7) should *clearly* return 3.

and len("7") must return 8, by the same token... but wait!

 >>> len("7")
1
 >>>

my python installation must me outdated ;-)

bye