具有编码经验，但对python还是陌生的，他试图使用python制作井字游戏。 到目前为止，我还不知道如何在Jupyter Notebook中进行调试。因此，需要一些帮助以了解我在这里做错了什么。

下面是我的代码：

    while game_on:
         player1 = input('Enter the choice for player1(X/O):')
         if player1.upper() == 'X':
             print("Player 1 will go first and choice made is 'X'")
             player1_turn = True
             player2 = 'O'
         else:
             print("Player 1 will go first and choice made is 'O'")
             player1_turn = True
             player2 = 'X'
         while player1_turn:
             display_board(board)
             position = int(input("player1: Enter the position where you want to place an 'X' or 'O'(1-9):"))
             board[position] = player1.upper()
             list1.append(position)
             player1_turn = False
             player2_turn = True 
             player_win = win(board)
             if player_win:
                display_board(board)
                player1_turn = False
                player2_turn = False
                game_st = input('Would you like to play another game(y/n):')
                if game_st.upper() == 'Y':
                    game_on = True
                else:
                    game_on = False
             break  
         else:
             display_board(board)
             position = int(input("Player2: Enter the position where you want to place an 'X' or 'O' (1-9):"))
             board[position] = player2.upper()
             list1.append(position)
             player1_turn = True
             player2_turn = False

当我执行我的代码并且控件进入第二条语句（以粗体显示）之后的内部while循环的“ else”部分时，控件将转到外部while循环（以标记为in）的第一条语句粗体），尽管它应该返回并返回内部while循环以再次使玩家1转向。

请指导和帮助理解。 非常感谢 MK