<|im_start|>user
How can I implement a binary search tree (BST) in Python?<|im_end|>
<|im_start|>assistant
```python
class TreeNode:
    def __init__(self, value):
        self.value = value
        self.left = None
        self.right = None<|im_end|>

<|im_start|>user
How can I implement a binary search tree (BST) in Python?<|im_end|>
<|im_start|>assistant
```python
class BinarySearchTree:
    def __init__(self):
        self.values = []<|im_end|>

How can I implement a binary search tree (BST) in Python?