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First solution in Creative category for Lightbulb Intro by kazuki.h
from datetime import datetime
from typing import List
def sum_light(els: List[datetime]) -> int:
return sum([(els[i * 2 + 1] - els[i * 2]).days * 24 * 3600 + (els[i * 2 + 1] - els[i * 2]).seconds for i in range(len(els) // 2)])
April 11, 2021
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