[프로그래머스 Level2]스킬트리

https://programmers.co.kr/learn/courses/30/lessons/49993?language=python3 

코딩테스트 연습 - 스킬트리

def solution(skill, skill_trees):
    answer = 0
    chk = []
    for s in skill_trees:
        a = [i for i in s if i in skill]
        chk.append(a)
    for ch in chk:
        a=1
        for i,c in enumerate(ch):
            if skill[i] != c:
                a=0
                break
        if a== 1:
            answer+=1
    return answer