Thanks, I might just move my trinary string (if I get that far) to be encoded as 0, 1, 2, thanks for your help.
On 30 Apr 2007 11:14:10 -0700, John Machin <[EMAIL PROTECTED]> wrote: > On Apr 30, 9:53 pm, "Nathan Harmston" <[EMAIL PROTECTED]> > wrote: > > Hi, > > > > I ve being thinking about playing around with bit strings but use in > > some encoding problems I m considering and was trying to decide how to > > implement a bit string class. Is there a library out there for doing > > basic things with bit strings already is my first question? > > > > I know that I can extend string to bit string, but is there anyway I > > can force the alphabet to be restricted to 1's and 0's (or even 1, 0 > > and -1, as an extension to from trinary strings). > > > > class Binary_String(String): > > pass > > > > See if you can pick which line below is impractically different to the > others: > > binary: 0, 1 > "trinary": -1, 0, 1 > octal: 0, 1, 2, 3, 4, 5, 6, 7 > decimal: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 > > HTH, > John > > -- > http://mail.python.org/mailman/listinfo/python-list > -- http://mail.python.org/mailman/listinfo/python-list
