12 lines
280 B
Python
12 lines
280 B
Python
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import re
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def rangeexpand(txt):
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lst = []
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for rng in txt.split(','):
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start,end = re.match('^(-?\d+)(?:-(-?\d+))?$', rng).groups()
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if end:
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lst.extend(xrange(int(start),int(end)+1))
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else:
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lst.append(int(start))
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return lst
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