From 711434b7aaeac64a516705253bef7ba68672601d Mon Sep 17 00:00:00 2001
From: yayyz <yejiim.dev@gmail.com>
Date: Fri, 25 Apr 2025 23:45:08 +0900
Subject: [PATCH] merge two sorted lists

---
 merge-two-sorted-lists/yayyz.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 merge-two-sorted-lists/yayyz.py

diff --git a/merge-two-sorted-lists/yayyz.py b/merge-two-sorted-lists/yayyz.py
new file mode 100644
index 000000000..bdb9b01ef
--- /dev/null
+++ b/merge-two-sorted-lists/yayyz.py
@@ -0,0 +1,25 @@
+# Definition for singly-linked list.
+# class ListNode:
+#     def __init__(self, val=0, next=None):
+#         self.val = val
+#         self.next = next
+class Solution:
+    def mergeTwoLists(self, list1: Optional[ListNode], list2: Optional[ListNode]) -> Optional[ListNode]:
+        dummy = ListNode(0)
+        current = dummy 
+
+        while list1 is not None and list2 is not None: 
+            if list1.val < list2.val: 
+                current.next = list1
+                list1 = list1.next
+            else:
+                current.next = list2
+                list2 = list2.next
+            current = current.next
+
+        if list1 is not None: 
+            current.next = list1
+        else:
+            current.next = list2
+
+        return dummy.next