[LeetCode] 819. Most Common Word

Python

class Solution:
    def mostCommonWord(self, paragraph: str, banned: List[str]) -> str:
        words = [word for word in re.sub(r"[^\w]", ' ', paragraph).lower().split() if word not in banned]
        counts = collections.Counter(words)
        
        return counts.most_common(1)[0][0]