Count Items Matching a Rule LeetCode solution in Python

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class Solution:
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    def countMatches(self, items: List[List[str]], ruleKey: str, ruleValue: str) -> int:
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        d = {"type": 0, "color": 1, "name": 2}
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        return sum(1 for item in items if item[d[ruleKey]] == ruleValue)