My Advent of Code solutions in Python.
kevinyap.ca/2019/12/going-fast-in-advent-of-code/
advent-of-code
python
Update day06.py
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2016/day06.py
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2016/day06.py
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from collections import Counter
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messages = [line.strip() for line in fileinput.input()]
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columns = []
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for i in range(len(messages[0])):
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columns.append(Counter(msg[i] for msg in messages).most_common())
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message_1 = ''.join(Counter(c).most_common()[0][0] for c in zip(*messages))
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message_2 = ''.join(Counter(c).most_common()[-1][0] for c in zip(*messages))
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print "Error-corrected message: %s" % ''.join(c[0][0] for c in columns)
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print "Santa's original message: %s" % ''.join(c[-1][0] for c in columns)
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print "Error-corrected message: %s" % message_1
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print "Santa's original message: %s" % message_2