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First solution in Clear category for The Most Wanted Letter by RadekBrich
from collections import Counter
import re
def checkio(text):
def most_alphabetic(ch_num):
ch, num = ch_num
return -num, ch
normalized_text = re.sub(r'[^a-z]', r'', text.lower())
most_common = Counter(normalized_text).most_common()
return sorted(most_common, key=most_alphabetic)[0][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 15, 2014
