python-checkio/Home/most-wanted-letter.py

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2019-12-18 17:30:47 +01:00
import string
def checkio(text: str) -> str:
letters = {x: 0 for x in list(string.ascii_lowercase)}
for letter in text:
letter = letter.lower()
if letter in letters:
letters[letter] = letters[letter] + 1
retour = None
retour_count = 0
for letter, count in letters.items():
if retour_count < count:
retour_count = count
retour = letter
return retour
if __name__ == '__main__':
print("Example:")
print(checkio("Hello World!"))
# 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.")