Fix the solution link for problem 380

Author: Garvit244

README.md

@@ -24,7 +24,7 @@ Python solution of problems from [LeetCode](https://leetcode.com/).
 | # | Title | Solution | Difficulty |
 |---| ----- | -------- | ---------- |
 |387|[First Unique Character in a String](https://leetcode.com/problems/first-unique-character-in-a-string/) | [Python](./300-400q/387.py)|Easy|
-|380|[Insert Delete GetRandom O(1)](https://leetcode.com/problems/insert-delete-getrandom-o1/) | [Python](./300-400q/387.py)|Hard|
+|380|[Insert Delete GetRandom O(1)](https://leetcode.com/problems/insert-delete-getrandom-o1/) | [Python](./300-400q/380.py)|Hard|
 |378|[Kth Smallest Element in a Sorted Matrix](https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix) | [Python](./300-400q/378.py)|Medium|
 |350|[Intersection of Two Arrays II](https://leetcode.com/problems/intersection-of-two-arrays-ii/) | [Python](./300-400q/350.py)|Easy|
 |347|[Top K Frequent Elements](https://leetcode.com/problems/top-k-frequent-elements/) | [Python](./300-400q/347.py)|Medium|