Solution

app/main.py

@@ -2,5 +2,16 @@
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+    cache_storage = {}
+
+    def inner(*args) -> Callable:
+
+        if args in cache_storage:
+            print("Getting from cache")
+        else:
+            print("Calculating new result")
+            cache_storage[args] = func(*args)
+
+        return cache_storage[args]
+
+    return inner