join + zip + sum clear solution for Sum by Type by kdim - python coding challenges

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join + zip + sum solution in Clear category for Sum by Type by kdim

from typing import Tuple
def sum_by_types(items: list) -> Tuple[str, int]:
    s, n = list(zip(*[['', 0]] + [[i, 0] if isinstance(i, str) else ['', i] for i in items]))
    return ("".join(s), sum(n))

Jan. 27, 2021

Comments:

U.V on Oct. 17, 2022, 5:37 p.m.
<p>Very elegant and clear solution</p>

maksim3140874 on Oct. 20, 2022, 12:57 p.m.
<p>Elegant solution</p>

List, list and list again

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