I want a function (or callable something) that returns a random
word meeting a criterion. I can do it like:
def random_richer_word(word):
'''find a word having a superset of the letters of "word"'''
if len(set(word) == 26): raise WordTooRichException, word
while True:
w = random.choice(words)
if set(w) - set(word): # w has letters not present in word
return w
This seems like a perfect application for generators or iterators,
but I can't quite see how. Any suggestions?
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