题解 | #记票统计#

普通字典

import sys
n=int(input())
name=input().split(' ')
people=int(input())
vote=input().split(' ')
illegal = 0

dic={}

for i in name:
    dic[i] = 0
    
for i in vote:
    if i in name:
        dic[i] += 1
    else:
        illegal += 1

for key in dic.keys():
    print(key,':',dic[key])
print('Invalid :',illegal)