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First solution in Uncategorized category for The Most Wanted Letter by TovarischZhukov
def checkio(data):
lst = [ord(val) for val in data.lower() if ord(val) in range(ord('a'), ord('z') + 1)]
return chr(sorted([(lst.count(val), val) for val in lst], lambda x, y: cmp(x, y) * -1 if cmp(x[0], y[0]) != 0 else cmp(x[1], y[1]))[0][1])
Dec. 3, 2015
