【问题标题】:How to fix "list assignment index out of range" python3如何修复“列表分配索引超出范围”python3
【发布时间】:2019-07-26 22:02:00
【问题描述】:

我的任务是创建一个十字和零的迷你游戏。但我只是一个初学者,所以我不知道如何解决这个错误......

import turtle
hody = [1, 2, 3, 4, 5, 6, 7, 8, 9]
i = int()
j = 10
pl1 = turtle.Pen()
pl2 = turtle.Pen()
pole = turtle.Pen()
pl1.color("white")
pl2.color("white")
pole.color("white")
pole.goto(-170.00, 170.00)
pole.color("black")
pole.speed(0)
pole.fd(300)
pole.right(90)
pole.fd(300)
pole.right(90)
pole.fd(300)
pole.right(90)
pole.fd(300)
pole.right(90)
pole.fd(99.99)
pole.right(90)
pole.fd(300)
pole.left(90)
pole.fd(99.99)
pole.left(90)
pole.fd(300)
pole.right(90)
pole.fd(100.02)
pole.right(90)
pole.fd(99.99)
pole.right(90)
pole.fd(300)
pole.left(90)
pole.fd(99.99)
pole.left(90)
pole.fd(301)
pole.color("white")
pole.setx(310)    
for i in range(j):
    p = str(input("Хто буде ходити першим X чи 0 ?: "))#who will go first?X or 0? 
    p = p.lower()
    if p == "x":
        k = int(input("Введіть клітинку: "))#user choose the number of area
        if k in hody:
            if (k == 1) and k in hody:
                pl2.goto(-158.89, 158.89)
                pl2.color("red")
                pl2.goto(-78.89, 78.89)
                pl2.color("white")
                pl2.goto(-78.89, 158.89)
                pl2.color("red")
                pl2.goto(-158.89, 78.89)
                pl2.color("white")            
                del(hody[k - 1])
            elif (k == 2) and k in hody:        
                pl2.goto(-58.89, 158.89)
                pl2.color("red")
                pl2.goto(21.11, 78.89)
                pl2.color("white")
                pl2.goto(21.11, 158.89)
                pl2.color("red")
                pl2.goto(-58.89, 78.89)
                pl2.color("white")
                del(hody[k - 1])
            elif (k == 3) and k in hody:        
                pl2.goto(40.89, 158.89)
                pl2.color("red")
                pl2.goto(121.11, 78.89)
                pl2.color("white")
                pl2.goto(121.11, 158.89)
                pl2.color("red")
                pl2.goto(40.89, 78.89)
                pl2.color("white")
                del(hody[k - 1])
            elif (k == 6) and k in hody:        
                pl2.goto(40.89, 58.89)
                pl2.color("red")
                pl2.goto(121.11, -20.89)
                pl2.color("white")
                pl2.goto(121.11, 58.89)
                pl2.color("red")
                pl2.goto(40.89, -20.89)
                pl2.color("white")
                del(hody[k - 1])
            elif (k == 5) and k in hody:        
                pl2.goto(-59.89, 58.89)
                pl2.color("red")
                pl2.goto(21.11, -21.89)
                pl2.color("white")
                pl2.goto(21.11, 58.89)
                pl2.color("red")
                pl2.goto(-59.89, -21.89)
                pl2.color("white")
                del(hody[k - 1])
            elif (k == 9) and k in hody:        
                pl2.goto(40.89, -40.89)
                pl2.color("red")
                pl2.goto(121.11, -120.89)
                pl2.color("white")
                pl2.goto(121.11, -40.89)
                pl2.color("red")
                pl2.goto(40.89, -120.89)
                pl2.color("white")
                del(hody[k - 1])
            elif (k == 7) and k in hody:
                pl2.goto(-158.89, -42.89)
                pl2.color("red")
                pl2.goto(-78.89, -122.89)
                pl2.color("white")
                pl2.goto(-78.89, -42.89)
                pl2.color("red")
                pl2.goto(-158.89, -122.89)
                pl2.color("white")            
                del(hody[k - 1])
            elif (k == 8) and k in hody:        
                pl2.goto(-59.89, -40.89)
                pl2.color("red")
                pl2.goto(21.11, -121.89)
                pl2.color("white")
                pl2.goto(21.11, -40.89)
                pl2.color("red")
                pl2.goto(-59.89, -121.89)
                pl2.color("white")
                del(hody[k - 1])
            elif (k == 4) and k in hody:
                pl2.goto(-158.89, 58.89)
                pl2.color("red")
                pl2.goto(-78.89, -20.89)
                pl2.color("white")
                pl2.goto(-78.89, 58.89)
                pl2.color("red")
                pl2.goto(-158.89, -20.89)
                pl2.color("white")
                del(hody[k - 1])            
    elif p == "0":
        k = int(input("Введіть клітинку: "))# user choose the number of area
        if k in hody:            
            if (k == 1) and k in hody:
                pl1.goto(-119.39, 79.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])
            elif (k == 4) and k in hody:
                pl1.goto(-119.39, -21.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])
            elif (k == 7) and k in hody:
                pl1.goto(-119.39, -121.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])
            elif (k == 2) and k in hody:
                pl1.goto(-19.39, 79.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])
            elif (k == 5) and k in hody:
                pl1.goto(-19.39, -21.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])
            elif (k == 8) and k in hody:
                pl1.goto(-19.39, -121.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])
            elif (k == 3) and k in hody:
                pl1.goto(81.39, 79.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])
            elif (k == 6) and k in hody:
                pl1.goto(81.39, -21.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])
            elif (k == 9) and k in hody:
                pl1.goto(81.39, -121.44)
                pl1.color("blue")
                pl1.circle(40)
                pl1.fd(3)
                pl1.color("white")
                pl1.fd(30)
                del(hody[k - 1])

回溯(最近一次通话最后):文件“C:\Users\user\AppData\Roaming\Profiles\12p506pq.default\extensions{3d7eb24f-2740-49df-8937-200b1cc08f8a}\defaults\preferences\hrastuku_noliki.py ",第 163 行,在 del(hody[k - 1]) IndexError: 列表赋值索引超出范围

【问题讨论】:

    标签: python python-3.x turtle-graphics


    【解决方案1】:

    此代码有多个设计问题,但最直接的问题似乎是如何从列表中删除已播放的方块hody

    hody = [1, 2, 3, 4, 5, 6, 7, 8, 9]
    

    方块被index移除:

    elif (k == 5) and k in hody:
        # ...       
        del(hody[k - 1])
    

    但是一旦删除了一个正方形,索引就会随着列表的缩小而改变!你可以简单地通过全局文本替换十几个半行来解决这个问题:

     del(hody[k - 1])
    

    成为:

     hody.remove(k)
    

    现在我们按 value 删除正方形,因此删除顺序无关紧要。但还有其他问题,例如:

    j = 10
    # ...
    for i in range(j):
    

    此循环控制游戏中的移动次数。最多只有九转,但它允许十步! (j 范围从 0 到 9。)

    让我们试着合理化这段代码:

    from turtle import Screen, Turtle
    
    def draw_X(x, y):
        pl2.penup()
        pl2.goto(x, y)
        pl2.pendown()
        pl2.goto(x + 80, y - 80)
        pl2.penup()
        pl2.goto(x + 80, y)
        pl2.pendown()
        pl2.goto(x, y - 80)
    
    def draw_0(x, y):
        pl1.penup()
        pl1.goto(x, y)
        pl1.pendown()
        pl1.circle(40)
    
    pole = Turtle()
    pole.hideturtle()
    pole.speed('fastest')
    
    pole.penup()
    pole.goto(-170, 170)
    pole.pendown()
    
    for _ in range(4):
        pole.forward(300)
        pole.right(90)
    
    for _ in range(2):
        pole.forward(100)
        pole.right(90)
        pole.forward(300)
        pole.left(90)
        pole.forward(100)
        pole.left(90)
        pole.forward(300)
    
        pole.right(90)
        pole.forward(100)
        pole.right(90)
    
    hody = [1, 2, 3, 4, 5, 6, 7, 8, 9]
    
    pl1 = Turtle()
    pl1.hideturtle()
    pl1.color("blue")
    
    pl2 = Turtle()
    pl2.hideturtle()
    pl2.color("red")
    
    p = input("Хто буде ходити першим X чи 0 ?: ")  # who will go first? X or 0?
    
    while hody:
        k = int(input("Введіть клітинку: "))  # user choose the number of area
    
        if k in hody:
            if p.lower() == "x":
                if k == 1:
                    draw_X(-158.89, 158.89)
                elif k == 2:
                    draw_X(-58.89, 158.89)
                elif k == 3:
                    draw_X(40.89, 158.89)
                elif k == 4:
                    draw_X(-158.89, 58.89)
                elif k == 5:
                    draw_X(-59.89, 58.89)
                elif k == 6:
                    draw_X(40.89, 58.89)
                elif k == 7:
                    draw_X(-158.89, -42.89)
                elif k == 8:
                    draw_X(-59.89, -40.89)
                elif k == 9:
                    draw_X(40.89, -40.89)
    
                p = "0"  # successful move, switch players
            elif p.lower() in ("0", 'o'):
                if k == 1:
                    draw_0(-119.39, 79.44)
                elif k == 2:
                    draw_0(-19.39, 79.44)
                elif k == 3:
                    draw_0(81.39, 79.44)
                elif k == 4:
                    draw_0(-119.39, -21.44)
                elif k == 5:
                    draw_0(-19.39, -21.44)
                elif k == 6:
                    draw_0(81.39, -21.44)
                elif k == 7:
                    draw_0(-119.39, -121.44)
                elif k == 8:
                    draw_0(-19.39, -121.44)
                elif k == 9:
                    draw_0(81.39, -121.44)
    
                p = "x"  # successful move, switch players
    
            hody.remove(k)
    
    
    screen = Screen()
    screen.mainloop()
    

    仍然没有完成,也没有我们能做到的那么干净,但应该足够干净,可以构建代码的下一个阶段:为游戏评分?

    【讨论】:

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