diff --git a/solution/237.Delete Node in a Linked List/Solution.py b/solution/237.Delete Node in a Linked List/Solution.py
index e69de29bb2d1d..21a8f316ea8de 100644
--- a/solution/237.Delete Node in a Linked List/Solution.py	
+++ b/solution/237.Delete Node in a Linked List/Solution.py	
@@ -0,0 +1,16 @@
+# Definition for singly-linked list.
+# class ListNode:
+#     def __init__(self, x):
+#         self.val = x
+#         self.next = None
+
+class Solution:
+    def deleteNode(self, node):
+        """
+        :type node: ListNode
+        :rtype: void Do not return anything, modify node in-place instead.
+        """
+        tmp=node.next
+        node.val=tmp.val
+        node.next=tmp.next
+        
\ No newline at end of file
diff --git a/solution/876.Middle of the Linked List/Solution.py b/solution/876.Middle of the Linked List/Solution.py
index e69de29bb2d1d..facf3eb381253 100644
--- a/solution/876.Middle of the Linked List/Solution.py	
+++ b/solution/876.Middle of the Linked List/Solution.py	
@@ -0,0 +1,23 @@
+# Definition for singly-linked list.
+# class ListNode:
+#     def __init__(self, x):
+#         self.val = x
+#         self.next = None
+
+class Solution:
+    def middleNode(self, head):
+        """
+        :type head: ListNode
+        :rtype: ListNode
+        """
+        if not head:
+            return None
+        if not head.next:
+            return head
+        fast=head
+        slow=head
+        while fast.next:
+            fast=fast.next.next
+            slow=slow.next
+            if not fast or not fast.next:
+                return slow
\ No newline at end of file