添加Go语言题解

animation-simulation/链表篇/面试题 02.03. 链表中间节点.md

@@ -135,3 +135,19 @@ class Solution {
     }
 }
 ```
+
+
+Go Code:
+
+```go
+func middleNode(head *ListNode) *ListNode {
+	// 快慢指针
+    fast, slow := head, head
+    for fast != nil && fast.Next != nil {
+        fast = fast.Next.Next
+        slow = slow.Next
+    }
+    return slow
+}
+```
+