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easy/number_of_senior_citizens.py
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easy/number_of_senior_citizens.py
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# https://leetcode.com/problems/number-of-senior-citizens
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from typing import List
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class Solution:
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def countSeniors(self, details: List[str]) -> int:
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return len(list(filter(lambda x: int(x[11:13]) > 60, details)))
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