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First solution in Clear category for Most Wanted Letter by helebed
import string
from collections import Counter
def most_wanted(text: str) -> str:
res = []
text = text.translate(str.maketrans(" ", ".", string.digits))
text = text.translate(str.maketrans("", "", string.punctuation))
c = Counter(text.lower())
for k, v in c.items():
if v == max(c.values()):
res.append(k)
return sorted(res)
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert sorted(most_wanted("Hello World!")) == ["l"], "Hello test"
assert sorted(most_wanted("How do you do?")) == ["o"], "O is most wanted"
assert sorted(most_wanted("One")) == ["e", "n", "o"], "All letter only once."
assert sorted(most_wanted("Oops!")) == ["o"], "Don't forget about lower case."
assert sorted(most_wanted("AAaooo!!!!")) == ["a", "o"], "Only letters."
assert sorted(most_wanted("abe")) == ["a", "b", "e"], "The First."
print("Start the long test")
assert sorted(most_wanted("a" * 9000 + "b" * 1000)) == ["a"], "Long."
print("The local tests are done.")
Oct. 26, 2020
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