First clear solution for Convert and Aggregate by tokareva.anastasiya.tch - python coding challenges

Enable Javascript in your browser and then refresh this page, for a much enhanced experience.

First solution in Clear category for Convert and Aggregate by tokareva.anastasiya.tch

from collections import defaultdict
def conv_aggr(data: list[tuple[str, int]]) -> dict[str, int]:
    d = defaultdict(int)
    for t in data:
        d[t[0]] += t[-1]
        if d[t[0]] == 0 or t[0] == "":
            del d[t[0]]
    return dict(d)

Sept. 17, 2022

Comments:

Kolia951 on Dec. 4, 2022, 7:06 p.m.
<p>This is the first solution i have seen here without unpacking pairs of key and value from a tuple and without get() for summing similar keys. Anastasia, again you have a very nice solution!</p>

List, list and list again

0 %

You ClassRoom Demo is Ready With the new tool CheckiO ClassRoom, you will be able to analyze your students' progress, have your own leaderboard, change missions order on the map, and so on.