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oten/look_and_say.py

Created March 27, 2017 23:01
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look_and_say.py
def look_and_say(numbers):
if len(numbers) == 1:
return '1' + numbers
say = 1
out = ''
numbers += 'X'
for curr, _next in zip(numbers, numbers[1:]):
if curr == _next:
say += 1
else:
out += str(say)
out += curr
say = 1
return out
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