#coding=utf-8 def init_set(): r10=range(10) return [(i, j, k, l) for i in r10 for j in r10 for k in r10 for l in r10 if (i != j and i != k and i != l and j != k and j != l and k != l) ] #对给定的两组数,计算xAyB.不知道能不能更快些 def get_match_ab(target, source): la,…