题解 | #记票统计#

n = int(input().strip())
nn = list(input().strip().split())
dic = {'Invalid':0}
for i in range(n):
    dic[nn[i]] = 0

m = int(input())
mm = list(input().strip().split())
for i in range(m):
    if dic.get(mm[i],-1) != -1:
        dic[mm[i]] +=1 
    else:
        dic['Invalid'] +=1
for i in nn:
    print(f'{i} : {dic[i]}')

tmp = dic['Invalid']
print(f'Invalid : {tmp}')