diff --git a/app/main.py b/app/main.py
index 68287892..1834b327 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2,5 +2,15 @@
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+    cached = {}
+
+    def wrapper(*args) -> None:
+        key = args
+        if key in cached:
+            print("Getting from cache")
+            return cached[key]
+        print("Calculating new result")
+        result = func(*args)
+        cached[key] = result
+        return result
+    return wrapper