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First solution in Clear category for The Most Wanted Letter by nakanolab
# migrated from python 2.7
def checkio(text):
#replace this for solution
import string
from collections import Counter
count = Counter(c for c in text.lower() if c in string.ascii_lowercase)
max_count = max(count.values())
max_letters = [c for c in count if count[c] == max_count]
return sorted(max_letters)[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.")
May 3, 2015