python计算邮资openjudge

计算邮资openjudge的Python代码如下所示：

n, m = map(int, input().split())
t = {}
for i in range(m):
    s = input().split()
    name, price, num = s[0], int(s[1]), int(s[2])
    t[name] = [price, num]

total = 0
for i in range(n):
    names = input().split()
    for name in names:
        if t[name][1] > 0:
            total += t[name][0]
            t[name][1] -= 1

print(total)