python学习----谁在说谎逻辑运算

if __name__ == '__main__':
    Li = [0, 1]
    for a in Li:
        for b in Li:
            for c in Li:
                zhang = (b == 0)
                li = (c == 0)
                wang = (a+b == 0)
                if (zhang+li+wang == 2 and a+b+c == 2) or (zhang+li+wang == 1 and a+b+c == 1):表示3个人中1个人说谎或者两个人说谎
                    if a == 1:
                        zhang = '真话'
                    else:
                        zhang = '假话'
                    if b == 1:
                        li = '真话'
                    else:
                        li = '假话'
                    if c == 1:
                        wang = '真话'
                    else:
                        wang = '假话'
                    print('zhang说的话是：', zhang)
                    print('li说的话是：', li)
                    print('wang说的话是：', wang)