import sys from itertools import permutations card = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K'] order = range(1, 14) card_order = dict(zip(card, order)) opts = ['+', '-', '*', '/'] def cal(a1, a2, opt): if opt == 0: return a1 + a2 elif opt == 1: ret...