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First solution in Clear category for The Most Wanted Letter by ForeverYoung
from collections import Counter
def checkio(text):
count = Counter([x for x in text.lower() if x.isalpha()])
m = max(count.values())
return sorted([x for (x, y) in count.items() if y == m])[0]
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio("Hello World!") == "l", "Hello test"
assert checkio("How do you do?") == "o", "O is most wanted"
assert checkio("One") == "e", "All letter only once."
Dec. 18, 2013
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