Added a Question

mananmehta3 · web-flow · commit 0a12817f9b18 · 2021-11-24T11:45:38.000+05:30
diff --git a/assignments/15-linkedlist.md b/assignments/15-linkedlist.md
@@ -27,6 +27,7 @@
 - [Design Browser History](https://leetcode.com/problems/design-browser-history/) `leetcode`
 - [Partition list](https://leetcode.com/problems/partition-list/) `leetcode`
 - [Find first node of loop in a linked list](https://www.geeksforgeeks.org/find-first-node-of-loop-in-a-linked-list/) `GFG`
+- [Swap Nodes in Pairs](https://leetcode.com/problems/swap-nodes-in-pairs/)`leetcode`
 
 ## Hard
 - [Reverse Nodes in k-Group](https://leetcode.com/problems/reverse-nodes-in-k-group/) `leetcode`
