819 B | 819 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
sys.setrecursionlimit(10**7)
BLANK = " "
#inp = input
inp = lambda : sys.stdin.readline().rstrip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
n = ii()
price = [ii() for _ in range(n - 1)]
stations = [inp() for _ in range(n)]
start = inp()
des = inp()
for i in range(n):
if stations[i] == start:
start = i
if stations[i] == des:
des = i
dis = abs(start - des)
return price[dis - 1]
if __name__ == "__main__":
tc = ii()
for t in range(1, tc+1):
ret = solve()
p(f"Data Set {t}:")
p(ret)
p()