현대_Softeer_level2_전광판_파이썬

하!!!!!!!!!! 인생 떡상 가즈아!!!!!!!!

def check_2(a,b): #2개의 숫자를 뒤에서부터 비교하고 차이나는 만큼 비교한다
    score = 0
    now = len(a)-len(b)
    if now >0:
        for i in range(-1,-len(b)-1,-1):
            score += how_many_lights(num_dict[a[i]], num_dict[b[i]])
        for i in range(now):
            score += len(num_dict[a[i]])     
    elif now<0:
        for i in range(-1,-len(a)-1,-1):
            score += how_many_lights(num_dict[a[i]], num_dict[b[i]])
        for i in range(abs(now)):
            score += len(num_dict[b[i]])
    else:
        for i in range(len(a)):
            score += how_many_lights(num_dict[a[i]], num_dict[b[i]])
    return score
 
def how_many_lights(a,b): #차이점을 더한다 num_dict의 value인 리스트가 인풋이
    count = 0
    for i in a:
        if i not in b:
            count+=1
    for i in b:
        if i not in a:
            count+=1
    return count
 
test_case = int(input())
num_dict={}
 
#8을 쓰는 순서로 각 숫자의 영역을 표현했다
num_dict['0'] = [1,2,3,5,6,7]
num_dict['1'] = [3,7]
num_dict['2'] = [2,3,4,5,6]
num_dict['3'] = [2,3,4,6,7]
num_dict['4'] = [1,3,4,7]
num_dict['5'] = [1,2,4,6,7]
num_dict['6'] = [1,2,4,5,6,7]
num_dict['7'] = [1,2,3,7]
num_dict['8'] = [1,2,3,4,5,6,7]
num_dict['9'] = [1,2,3,4,6,7]
 
for i in range(test_case):
    a,b = input().split()
    list_a = list(a)
    list_b = list(b)
    print(check_2(a,b))

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