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My Advent of Code solutions in Python. kevinyap.ca/2019/12/going-fast-in-advent-of-code
advent-of-code python
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12345678910import fileinputfrom collections import Counter
messages = [line.strip() for line in fileinput.input()]message_1 = ''.join(Counter(c).most_common()[0][0] for c in zip(*messages))message_2 = ''.join(Counter(c).most_common()[-1][0] for c in zip(*messages))
print "Error-corrected message: %s" % message_1print "Santa's original message: %s" % message_2