Level1 K번째 수

def solution(array, commands):
    answer = []
    n = len(commands)
    
    for i in range(n):
        a = commands[i][0]
        b = commands[i][1]
        c = commands[i][2]
        arr = array[a-1:b]
        arr.sort()
        
        answer.append(arr[c-1])
    return answer