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First solution in Clear category for The Most Wanted Letter by a.a.v.worker
from string import ascii_lowercase
def checkio(text):
text = text.lower()
result = [(letter,text.count(letter)) for letter in text if letter in ascii_lowercase]
result.sort(key=lambda x:(-x[1],x[0]))
return result[0][0]
Aug. 8, 2015
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