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First solution in Uncategorized category for The Most Wanted Letter by blaxmi
import collections
def checkio(text):
frequency = collections.defaultdict(int)
for c in text.lower():
if 97 <= ord(c) <= 122:
frequency[c] += 1
return min((-n, c) for c, n in frequency.items())[1]
March 17, 2014
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