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chain from iterable solution in Clear category for Expand Intervals by ogoro
from itertools import chain
from typing import Iterable
def expand_intervals(items: Iterable) -> Iterable:
return list(chain.from_iterable(range(start, end + 1) for start, end in items))
if __name__ == '__main__':
assert list(expand_intervals([(1, 3), (5, 7)])) == [1, 2, 3, 5, 6, 7]
assert list(expand_intervals([(1, 3)])) == [1, 2, 3]
assert list(expand_intervals([])) == []
assert list(expand_intervals([(1, 2), (4, 4)])) == [1, 2, 4]
Jan. 7, 2021
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