题解 | #记票统计#b笨办法
记票统计
https://www.nowcoder.com/practice/3350d379a5d44054b219de7af6708894
a = int(input())
d = {}
x = input().split()
#print(x)
for i in x:
d[i]=0
#print(d)
b = int(input())
y = input().split()
#print(y)
cnt = 0
for i in y:
flag = 1
if i not in d:
flag=0
cnt=cnt+1
else:
d[i]=d[i]+1
for i in d:
print(i,':',d[i])
print('Invalid :',cnt)
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