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First solution in Clear category for Lightbulb Intro by artemx8zx
from datetime import datetime
from typing import List
from functools import reduce
from operator import add
def sum_light(els: List[datetime]) -> int:
groups = [els[i:i+2] for i in range(0, len(els), 2)]
diff_groups = [(d[1]-d[0]).total_seconds() for d in groups]
s = reduce(add, diff_groups)
return s
Oct. 19, 2021
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