diff --git a/app/main.py b/app/main.py
index 68287892f..04795fa79 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2,5 +2,15 @@
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+    from_cache = {}
+
+    def wrapper(*args, **kwargs) -> Callable:
+        if args not in from_cache:
+            func_result = func(*args)
+            print("Calculating new result")
+            from_cache[args] = func_result
+            return func_result
+        else:
+            print("Getting from cache")
+            return from_cache[args]
+    return wrapper