[Python][프로그래머스][Level3] 디스크 컨트롤러

def solution(jobs):
    N=len(jobs)
    time=answer=0
    jobs.sort(key= lambda x: x[1])
    while jobs:
        for idx, job in jobs:
            if idx<=time:
                answer+=time+job-idx
                time+=job
                jobs.remove([idx,job])
                break
        else:
            time+=1
    return answer//N