diff --git a/src/my_project/interviews/top_150_questions_round_22/ex_48_insert_interval.py b/src/my_project/interviews/top_150_questions_round_22/ex_48_insert_interval.py
new file mode 100644
index 00000000..c2671276
--- /dev/null
+++ b/src/my_project/interviews/top_150_questions_round_22/ex_48_insert_interval.py
@@ -0,0 +1,21 @@
+from typing import List, Union, Collection, Mapping, Optional
+from abc import ABC, abstractmethod
+
+class Solution:
+    def insert(self, 
+               intervals: List[List[int]], 
+               newInterval: List[int]) -> List[List[int]]:
+        
+        intervals.append(newInterval)
+
+        answer = []
+
+        for i in sorted(intervals, key=lambda x: x[0]):
+
+            if answer and i[0] <= answer[-1][-1]:
+                answer[-1][-1] = max(i[-1],answer[-1][-1])
+            else:
+                answer.append(i)
+
+        return answer 
+
diff --git a/src/my_project/interviews_typescript/top_150_questions_round_1/ex_01_merge_sorted_array.ts b/src/my_project/interviews_typescript/top_150_questions_round_1/ex_01_merge_sorted_array.ts
new file mode 100644
index 00000000..2403ffda
--- /dev/null
+++ b/src/my_project/interviews_typescript/top_150_questions_round_1/ex_01_merge_sorted_array.ts
@@ -0,0 +1,10 @@
+function merge(nums1: number[], m: number, nums2: number[], n: number): number[] {
+    // Replace the tail of nums1 with nums2
+    for (let i = 0; i < n; i++) {
+        nums1[m + i] = nums2[i];
+    }
+    nums1.sort((a, b) => a - b);
+    return nums1;
+}
+
+console.log(merge([1,2,3,0,0,0], 3, [2,5,6], 3))
\ No newline at end of file
diff --git a/tests/test_150_questions_round_22/test_48_insert_interval_round_22.py b/tests/test_150_questions_round_22/test_48_insert_interval_round_22.py
new file mode 100644
index 00000000..70cdfd19
--- /dev/null
+++ b/tests/test_150_questions_round_22/test_48_insert_interval_round_22.py
@@ -0,0 +1,18 @@
+import unittest
+from src.my_project.interviews.top_150_questions_round_22\
+.ex_48_insert_interval import Solution
+
+class InsertIntervalsTestCase(unittest.TestCase):
+
+    def test_first_pattern(self):
+        solution = Solution()
+        output = solution.insert(intervals = [[1,3],[6,9]], newInterval = [2,5])
+        target = [[1,5],[6,9]]
+        self.assertEqual(output, target)
+
+    def test_second_pattern(self):
+        solution = Solution()
+        output = solution.insert(intervals = [[1,2],[3,5],[6,7],[8,10],[12,16]], newInterval = [4,8])
+        target = [[1,2],[3,10],[12,16]]
+        self.assertEqual(output, target)
+