K번째수

def solution(array, commands):
    answer = []
    for cmd in commands:
        start,end,k = cmd 
        partOfArray = array[start-1:end] 
        sortedArray = sorted(partOfArray) 
        answer.append(sortedArray[k-1])  
    return answer 
    
    #1,5,2,6,3,7,4 
    #[2,5,3] 
    #[5,2,6,3] sort increa -> [2,3,5,6] return 3th: 5