28 lines
1.1 KiB
Python
28 lines
1.1 KiB
Python
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def most_wanted(text: str) -> str:
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text = text.lower()
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letters = []
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max = 0
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for letter in text:
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if letter.isalpha():
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if letter not in letters:
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count = text.count(letter)
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if max == count:
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letters.append(letter)
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if count > max:
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letters = [letter]
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max = count
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return letters
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if __name__ == '__main__':
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# These "asserts" using only for self-checking and not necessary for auto-testing
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assert sorted(most_wanted("Hello World!")) == ["l"], "Hello test"
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assert sorted(most_wanted("How do you do?")) == ["o"], "O is most wanted"
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assert sorted(most_wanted("One")) == ["e", "n", "o"], "All letter only once."
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assert sorted(most_wanted("Oops!")) == ["o"], "Don't forget about lower case."
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assert sorted(most_wanted("AAaooo!!!!")) == ["a", "o"], "Only letters."
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assert sorted(most_wanted("abe")) == ["a", "b", "e"], "The First."
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print("Start the long test")
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assert sorted(most_wanted("a" * 9000 + "b" * 1000)) == ["a"], "Long."
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print("The local tests are done.")
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