day1/exercise/missing_num.py
author Santosh G. Vattam <vattam.santosh@gmail.com>
Tue, 02 Mar 2010 10:55:49 +0530
changeset 374 0ba81871dae5
parent 64 333092b68926
permissions -rw-r--r--
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str_range = '4-7, 9, 12, 15'
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ranges = str_range.split(',')
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lst = []
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for r in ranges:
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    vals = r.split('-')
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    if len(vals) == 2:
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       lst.extend(range(int(vals[0]), int(vals[1]) + 1))
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    else:
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       lst.append(int(vals[0]))
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set_range = set(lst)
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all_elems = set(range(min(lst), max(lst)))
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print all_elems - set_range