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First solution in Clear category for The Most Wanted Letter by v0id
from collections import Counter
def checkio(text):
text_letters = filter(str.isalpha, text.lower())
frequencies = Counter(text_letters).most_common() # sorted by counts only
assert len(frequencies) > 0, 'text does not contain any letters'
(result, max_count) = frequencies[0]
for (char, count) in frequencies[1:]:
if count < max_count:
break
if char < result:
result = char
return result
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
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."
assert checkio("Oops!") == "o", "Don't forget about lower case."
assert checkio("AAaooo!!!!") == "a", "Only letters."
assert checkio("abe") == "a", "The First."
print("Start the long test")
assert checkio("a" * 9000 + "b" * 1000) == "a", "Long."
print("The local tests are done.")
Nov. 14, 2015
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