题解 | #记票统计#
记票统计
https://www.nowcoder.com/practice/3350d379a5d44054b219de7af6708894
n = int(input())
name = input().split()
m = int(input())
pick = input().split()
result = {}
for i in name:
result[i] = 0
for j in pick:
if j in result.keys():
result[j] += 1
result['Invalid'] = m - sum(result.values())
for k, v in result.items():
print('%s : %d' % (k, v))
