题解 | #记票统计#
记票统计
https://www.nowcoder.com/practice/3350d379a5d44054b219de7af6708894
num=int(input())
candidate=list(input().split(' '))
people=int(input())
tickets=list(input().split(' '))
flag=0
for i in candidate:
if i!='': #不能用字符串
print(i+' : '+str(tickets.count(i)))
for j in tickets:
if j not in candidate:
flag=flag+1
print('Invalid : '+str(flag))
