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Update the Optional alias of Python codes.

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Yudong Jin
2023-01-09 02:49:34 +08:00
parent 4d01436138
commit 97ee638d31
8 changed files with 37 additions and 45 deletions
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docs/chapter_tree/binary_search_tree.md
+3 -3
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@@ -83,7 +83,7 @@ comments: true
```python title="binary_search_tree.py"
""" 查找结点 """
def search(self, num: int) -> typing.Optional[TreeNode]:
def search(self, num: int) -> Optional[TreeNode]:
cur = self.root
# 循环查找，越过叶结点后跳出
while cur is not None:
@@ -265,7 +265,7 @@ comments: true
```python title="binary_search_tree.py"
""" 插入结点 """
def insert(self, num: int) -> typing.Optional[TreeNode]:
def insert(self, num: int) -> Optional[TreeNode]:
root = self.root
# 若树为空，直接提前返回
if root is None:
@@ -560,7 +560,7 @@ comments: true
```python title="binary_search_tree.py"
""" 删除结点 """
def remove(self, num: int) -> typing.Optional[TreeNode]:
def remove(self, num: int) -> Optional[TreeNode]:
root = self.root
# 若树为空，直接提前返回
if root is None: