On Sun, Apr 18, 2010 at 4:18 PM, Reynaldo Baquerizo
<[email protected]> wrote:
>
> Hola,
>
>> def word_sequences(words, step=1):
>> step = max(step, 1)
>> i = 0
>> while i < len(words) - step:
>> yield (words[i], words[i+step])
>> i += 1
>
> Esto no es idiomático,
> qué tal:
>
> def words(seq, distance):
> for i in xrange(len(seq) - distance):
> yield seq[i], seq[i + distance]
Que tal:
>>> seq = "la cookie caducará automaticamente cuando salga del
>>> navegador".split()
>>> zip(seq, seq[2:])
[('la', 'caducar\xc3\xa1'),
('cookie', 'automaticamente'),
('caducar\xc3\xa1', 'cuando'),
('automaticamente', 'salga'),
('cuando', 'del'),
('salga', 'navegador')]
~Rolando
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