[pyar] Problema interesante: el anti-string

[Roberto Alsina]

On Wednesday 04 August 2010 16:41:27 Pablo Ziliani wrote:
>  >>> S1 = [u'papa', u'foo', u'pepe', u'bar', u'python']
>  >>> chars = sorted(set(''.join(S1)))
>  >>> antichars = dict(zip(chars, reversed(chars)))
>  >>> S = [(word, u''.join(antichars[char] for char in word)) for word in
> S1] >>> sorted(S, key=lambda x:x[0])
> [(u'bar', u'tye'), (u'foo', u'phh'), (u'papa', u'fyfy'), (u'pepe', 
> u'frfr'), (u'python', u'fabohn')]
>  >>> sorted(S, key=lambda x:x[1])
> [(u'python', u'fabohn'), (u'pepe', u'frfr'), (u'papa', u'fyfy'), 
> (u'foo', u'phh'), (u'bar', u'tye')]

Interesante :-)

Pero si quiero agregar un nuevo string tengo que regenerar antichars, no?