Fixing Leetcode Syntax

Author: Mark-777-0

python/21-Merge-Two-Sorted-Lists.py

@@ -4,22 +4,22 @@
 #         self.val = val
 #         self.next = next
 class Solution:
-    def mergeTwoLists(self, l1: ListNode, l2: ListNode) -> ListNode:
+    def mergeTwoLists(self, list1: ListNode, list2: ListNode) -> ListNode:
         dummy = ListNode()
         tail = dummy
 
-        while l1 and l2:
-            if l1.val < l2.val:
-                tail.next = l1
-                l1 = l1.next
+        while list1 and list2:
+            if list1.val < list2.val:
+                tail.next = list1
+                list1 = list1.next
             else:
-                tail.next = l2
-                l2 = l2.next
+                tail.next = list2
+                list2 = list2.next
             tail = tail.next
 
-        if l1:
-            tail.next = l1
-        elif l2:
-            tail.next = l2
+        if list1:
+            tail.next = list1
+        elif list2:
+            tail.next = list2
 
         return dummy.next