diff --git a/medium/delete_the_middle_node_of_a_linked_list.py b/medium/delete_the_middle_node_of_a_linked_list.py
new file mode 100644
index 0000000..16e2913
--- /dev/null
+++ b/medium/delete_the_middle_node_of_a_linked_list.py
@@ -0,0 +1,20 @@
+# https://leetcode.com/problems/delete-the-middle-node-of-a-linked-list
+
+from typing import Optional
+
+class ListNode:
+    def __init__(self, val=0, next=None):
+        self.val = val
+        self.next = next
+
+class Solution:
+    def deleteMiddle(self, head: Optional[ListNode]) -> Optional[ListNode]:
+        if head is None or head.next is None:
+            return None
+        slow = head
+        fast = head.next.next
+        while fast is not None and fast.next is not None:
+            slow = slow.next
+            fast = fast.next.next
+        slow.next = slow.next.next
+        return head
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