[Python] K번째 수

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

프로그래머스

def solution(array, commands):
    answer = []
    
    for s in commands:
    
        n = array[s[0]-1:s[1]]
        n.sort()
        n = n[s[2]-1]
        answer.append(n)
        
    return answer