import random
def is_chongfu(test_list):
    for i in range(len(test_list)):
        for j in range(len(test_list)-1):
            j1=j if j<i else j+1
            if test_list[j1] == test_list[i]:
                return True
    else:
        return False
def check(yours,answers):
    a,b=0,0
    for i in range(len(yours)):
        for j in range(len(answers)):
            if yours[i]==answers[j]:
                if i==j:
                    a+=1
                else:
                    b+=1
    return (a,b)

nums=random.sample(range(10),4)
i=1
while i<=10:
    print("第 %d 次猜数字："%i)
    yourAns=input("请依次输入四个数字（如5423，没有分隔符，超出的忽略）：")
    print("你输入:",', '.join(yourAns[:4]))
    try:
        yourAns2=[int(yourAns[j]) for j in range(4)]
    except ValueError:
        print("不是数字！")
        continue
    except IndexError:
        print("数字不够！")
        continue

    if is_chongfu(yourAns2):
        print("数字重复！")
        continue
    a,b=check(yourAns2,nums)
    print(f"结果: {a}A{b}B")
    if a==4:
        print("你成功了！")
        break
    i+=1
else:
    print("你失败了。")
print("答案是:",', '.join([str(e) for e in nums]))