如何在函数外使用这些变量 (python)？

Question

我最近回到 Python 编程，我有一个问题。在我的代码中，我正在尝试设置插槽，但我不知道如何打印它们。

我有两个文件，Card 和 Main。这是主文件的代码。

 
cardsList = ["dog", "fairy", "flower", 'ghost', "bow", "brain", "bird", "mountain", "glasses", "book", "water", "family", 'scream', "mask", "bacteria", "gun", "bomb", "motocycle"]

New = Card(cardsList)
New.Hand()

对于那个来说，这是不言自明的。这是卡片文件的代码。


class Card(object):

  
  cardsList = list(["dog", "fairy", "flower", 'ghost', "bow", "brain", "bird", "mountain", "glasses", "book", "water", "family", 'scream', "mask", "bacteria", "gun", "bomb", "motocycle"])

  slot1 = ""
  slot2 = ""
  slot3 = ""
  slot4 = ""
  slot5 = ""
  slot6 = ""
  slot7 = ""
  slot8 = ""
  slot9 = ""
 
  

  def __init__(self, cardsList):
    self.cardsList = cardsList
    
   
  def __len__(self):
    return len(self.cardsList)

  def Hand(cardsList):
    return len(cardsList)
    cardsList = random.shuffle(cardsList)
    listTwo = []
    for i in range(9):
      listTwo.append(cardsList[i])
      cardsList.pop(i)
    return listTwo
  
    
    
  slot1 = listTwo[1]
  slot2 = listTwo[2]
  slot3 = listTwo[3]
  slot4 = listTwo[4]
  slot5 = listTwo[5]
  slot6 = listTwo[6]
  slot7 = listTwo[7]
  slot8 = listTwo[8]
  slot9 = listTwo[9]

   
  slots = [slot1, slot2, slot3, slot4, slot5, slot6, slot7, slot8, slot9]
  print(slots)

请告诉我如何在函数外定义插槽函数。我需要将插槽用于不同的功能，但我不知道如何让它们工作。

Answer 1

我想这就是你想要做的：

import random 

class Card(object):
    def __init__(self, cardsList):
        self.cardsList = cardsList
        self.slot1 = ""
        self.slot2 = ""
        self.slot3 = ""
        self.slot4 = ""
        self.slot5 = ""
        self.slot6 = ""
        self.slot7 = ""
        self.slot8 = ""
        self.slot9 = ""
    
    def __len__(self):
        return len(self.cardsList)
    
    def Hand(self):
        random.shuffle(self.cardsList)
        self.slot1 = cardsList[0]
        self.slot2 = cardsList[1]
        self.slot3 = cardsList[2]
        self.slot4 = cardsList[3]
        self.slot5 = cardsList[4]
        self.slot6 = cardsList[5]
        self.slot7 = cardsList[6]
        self.slot8 = cardsList[7]
        self.slot9 = cardsList[8]

cardsList = ["dog", "fairy", "flower", 'ghost', "bow", "brain", "bird", "mountain", "glasses", "book", "water", "family", 'scream', "mask", "bacteria", "gun", "bomb", "motocycle"]
myCards = Card(cardsList)
myCards.Hand()

创建 class 的对象会将所有插槽初始化为“”。
调用对象的 Hand 函数将 cardsList 中的 9 张随机卡片分配到插槽 1 到 9。

顺便说一句，random.shuffle 将列表就地打乱，因此您不应该将其分配给任何东西。

如何在函数外使用这些变量 (python)？

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