diff --git a/app/main.py b/app/main.py
index 68287892..581c9201 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2,5 +2,18 @@
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+    save_result = {}
+
+    def inner(*args, **kwargs) -> Callable:
+        key_in_save_result = (func.__name__, args, tuple(kwargs.items()))
+
+        if key_in_save_result in save_result:
+            print("Getting from cache")
+            return save_result[key_in_save_result]
+
+        print("Calculating new result")
+        result = func(*args, **kwargs)
+        save_result[key_in_save_result] = result
+        return result
+
+    return inner