Examples of One-liners

prefix_sums(arr: list[int]) → list[int]

calculate array of prefix sums

transpose(matrix: list[list[int]]) → list[int]

transpose matrix given as python nested list

merge_dicts(dict1: dict, dict2: dict) → dict

merge two python dictionaries

power_set(arr: list[int]) → list[list[int]]

generate power set of given array

flatten(lst: list[list[int]]) → list[int]

flatten nested list