This should be a bit faster; no way of telling how much without some sample data.
import time
def get_ints(s):
return [int(i) for i in s.split()]
t = time.time()
Alen, Blen = get_ints(input())
A = get_ints(input())
B = get_ints(input())
total = sum(abs(Ai - Bj) * (i - j) for i,Ai in enumerate(A) for j,Bj in enumerate(B))
print(total)#, time.time()-t)