diff --git a/app/main.py b/app/main.py
index 68287892f..9d9fa1f27 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,6 +1,20 @@
-from typing import Callable
+from typing import Any, Callable
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+
+    memo = {}
+
+    def wrapper(*args, **kwargs) -> Any:
+        key = (args, tuple(sorted(kwargs.items())))
+
+        if key in memo:
+            print("Getting from cache")
+            return memo[key]
+
+        print("Calculating new result")
+        result = func(*args, **kwargs)
+        memo[key] = result
+        return result
+
+    return wrapper