题解 | #记票统计#
记票统计
https://www.nowcoder.com/practice/3350d379a5d44054b219de7af6708894
n=int(input())
list1=input().strip().split()
m=int(input())
list2=input().strip().split()
dic1={x:0 for x in list1}
c=0
for x in list2:
if x in dic1:
dic1[x]=dic1[x]+1
else:
c=c+1
dic1['Invalid']=c
for x in dic1:
print(x,':',dic1[x],end='\n')
