build

2026-07-04 11:44:21 +00:00 · 2025-01-21 20:03:36 +08:00
parent f7cbcbbd75
commit c458348df2
11 changed files with 50 additions and 41 deletions
@@ -501,7 +501,7 @@ comments: true
                val: int = self._front.val  # 暫存頭節點值
                # 刪除頭節點
                fnext: ListNode | None = self._front.next
-                if fnext != None:
+                if fnext is not None:
                    fnext.prev = None
                    self._front.next = None
                self._front = fnext  # 更新頭節點
@@ -510,7 +510,7 @@ comments: true
                val: int = self._rear.val  # 暫存尾節點值
                # 刪除尾節點
                rprev: ListNode | None = self._rear.prev
-                if rprev != None:
+                if rprev is not None:
                    rprev.next = None
                    self._rear.prev = None
                self._rear = rprev  # 更新尾節點