diff --git a/Python/faulty_keyboard.py b/Python/faulty_keyboard.py
new file mode 100644
index 0000000..ed535fb
--- /dev/null
+++ b/Python/faulty_keyboard.py
@@ -0,0 +1,23 @@
+# Faulty Keyboard
+
+class Solution(object):
+    def finalString(self, s):
+        result = ''
+        is_reversed = False
+        
+        for char in s:
+            if char == 'i':
+                is_reversed = not is_reversed
+            else:
+                if is_reversed:
+                    result = char + result
+                else:
+                    result += char
+        
+        if is_reversed:
+            result = result[::-1]
+        
+        return result
+    
+solution = Solution()
+print(solution.finalString("string"))
diff --git a/Python/length_of_longest_subarray_with_at_most_k_frequency.py b/Python/length_of_longest_subarray_with_at_most_k_frequency.py
new file mode 100644
index 0000000..47c15f3
--- /dev/null
+++ b/Python/length_of_longest_subarray_with_at_most_k_frequency.py
@@ -0,0 +1,13 @@
+class Solution(object):
+    def maxSubarrayLength(self, nums, k):
+        n, left, result = len(nums), 0, 0
+        freq = defaultdict(int)
+
+        for right in range(n):
+            freq[nums[right]] += 1  
+            while freq[nums[right]] > k:
+                freq[nums[left]] -= 1 
+                left += 1
+            result = max(result, right - left + 1)
+            
+        return result
diff --git a/README.md b/README.md
index 4d4d3dc..3af97e5 100644
--- a/README.md
+++ b/README.md
@@ -228,4 +228,6 @@ This project is licensed under the MIT License - see the [LICENSE](LICENSE) file
 - [Subarray Product Less Than K](Python/subarray_product_less_than_k.py)
 - [Valid Parentheses](Python/valid_parentheses.py)
 - [Remove Element](Python/remove_element.py)
-- [Remove Duplicates from Sorted Array](Python/remove_duplicates_from_sorted_array.py)
\ No newline at end of file
+- [Remove Duplicates from Sorted Array](Python/remove_duplicates_from_sorted_array.py)
+- [Faulty Keyboard](Python/faulty_keyboard.py)
+- [Length of Longest Subarray With at Most K Frequency](Python/length_of_longest_subarray_with_at_most_k_frequency.py)