python中的自引用类？ [英] Self-referencing classes in python?

问题描述

在Python中，您是否可以使用成员本身是指向同一类类型的成员的指针的类？例如，在C语言中，二进制树中的节点可能具有以下类：

In Python, can you have classes with members that are themselves pointers to members of the type of the same class? For example, in C, you might have the following class for a node in a binary tree:

struct node {
    int data;
    struct node* left;
    struct node* right;
} 

如何等效地在python中创建它？

How would you equivalently create this in python?

推荐答案

Python是一种动态语言。属性可以（几乎）在任何时间绑定任何类型。因此，您描述的问题在Python中不存在。

Python is a dynamic language. Attributes can be bound at (almost) any time with any type. Therefore, the problem you are describing does not exist in Python.

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