import itertools def change_str(str_cal): str_cal = str_cal.replace('11','J').replace('12','Q').replace('13','K').replace('1','A') return str_cal def check_str(): num =[] cal = ['+','-','*','/'] for t in s: if t == 'JOKER' or t == 'joker': return "ERROR" elif t in lst1: num.append(lst2[lst1.index(t)...