Create 1669-merge-in-between-linked-lists.py

Author: a93a

Diff for: python/1669-merge-in-between-linked-lists.py

@@ -0,0 +1,18 @@
+class Solution:
+    def mergeInBetween(self, list1: ListNode, a: int, b: int, list2: ListNode) -> ListNode:
+        curr = list1
+        i = 0
+        while i < a - 1:
+            curr = curr.next
+            i += 1
+
+        head = curr
+        while i <= b:
+            curr = curr.next
+            i += 1
+        head.next = list2
+
+        while list2.next:
+            list2 = list2.next
+        list2.next = curr
+        return list1