스킬트리

[gudghks]

def solution(skill, skill_trees):
answer = 0

for skill_tree in skill_trees:
    used_skill = 0
    found_skill = 0
    i = 0
    for s in skill:
        if s in skill_tree:
            used_skill += 1
        while i < len(skill_tree):
            if skill_tree[i] == s:
                found_skill += 1
                break
            else: 
                i += 1
    if used_skill == found_skill:
        answer += 1
        
return answer