프로그래머스 - 코딩테스트 고득점 Kit - 정렬 - K번째수 (python)

https://school.programmers.co.kr/learn/courses/30/lessons/42748

def solution(array, commands):
    answer = []
    for i in range(len(commands)):
        want_id=commands[i][2]-1
        l=array[commands[i][0]-1:commands[i][1]]
        l.sort()
        answer.append(l.pop(want_id))
        
    return answer