Interesting task clear solution for Nearest Value by asharkova - python coding challenges

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Interesting task solution in Clear category for Nearest Value by asharkova

def nearest_value(values: set, one: int) -> int:
    values = sorted(list(values))
    return min(values, key=lambda x: abs(x-one))


if __name__ == '__main__':
    print("Example:")
    print(nearest_value({4, 7, 10, 11, 12, 17}, 9))

    # These "asserts" are used for self-checking and not for an auto-testing
    assert nearest_value({4, 7, 10, 11, 12, 17}, 9) == 10
    assert nearest_value({4, 7, 10, 11, 12, 17}, 8) == 7
    assert nearest_value({4, 8, 10, 11, 12, 17}, 9) == 8
    assert nearest_value({4, 9, 10, 11, 12, 17}, 9) == 9
    assert nearest_value({4, 7, 10, 11, 12, 17}, 0) == 4
    assert nearest_value({4, 7, 10, 11, 12, 17}, 100) == 17
    assert nearest_value({5, 10, 8, 12, 89, 100}, 7) == 8
    assert nearest_value({-1, 2, 3}, 0) == -1
    assert nearest_value({0, -2}, -1) == -2
    print("Coding complete? Click 'Check' to earn cool rewards!")

Dec. 2, 2020

Comments:

leggewie on May 22, 2021, 2:43 p.m.
<p>good job, keep it up!</p> <p>line 2 is more complex than need be and can actually be left out altogether. First, sorted already does casting, so no need for list(values), sorted(values) is already enough. Second, you can simply use that as input for the min-function directly like "return min(sorted(values), key=lambda x: abs(x-one))"</p>

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