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sagivmalihi/lazy.py

Created May 31, 2013 23:51
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Can you spot the bug?
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lazy.py
import itertools
def expand_letters(word, times):
expanded_letters = []
for letter in word:
expanded_letters.append( (letter for _ in xrange(times)) )
return ''.join(itertools.chain.from_iterable(expanded_letters))
print expand_letters("Hello", 2)
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sagivmalihi commented Jun 1, 2013

@btv - This is just an abridged version of a bug I had (and fixed actually, now I'm just ranting...)
The output here, instead of the expected 'HHeelllloo' is actually 'oooooooooo' - Guess why ;)

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