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Most common solution in Creative category for The Most Wanted Letter by CounterSparta
# migrated from python 2.7
def checkio(text):
lowercase = [x.lower() if x.isalpha() else '' for x in text]
indexed_map = sorted([(x, lowercase.count(x)) for x in list(set(lowercase)) if x], key=lambda x: x[0])
return text and max(indexed_map, key=lambda x: x[1])[0]
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.")
July 25, 2014
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