Solve : Merge Two Sorted Lists

Author: printjin-gmailcom

merge-two-sorted-lists/printjin-gmailcom.py

@@ -0,0 +1,19 @@
+class ListNode:
+    def __init__(self, val=0, next=None):
+        self.val = val
+        self.next = next
+
+class Solution:
+    def mergeTwoLists(self, list1, list2):
+        dummy = ListNode()
+        current = dummy
+        while list1 and list2:
+            if list1.val < list2.val:
+                current.next = list1
+                list1 = list1.next
+            else:
+                current.next = list2
+                list2 = list2.next
+            current = current.next
+        current.next = list1 if list1 else list2
+        return dummy.next