Solution

app/main.py

@@ -2,5 +2,15 @@
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+    result_cache = {}
+
+    def wrapper(*args):
+        if args not in result_cache:
+            print("Calculating new result")
+            result = func(*args)
+            result_cache[args] = result
+            return result
+        else:
+            print("Getting from cache")
+            return result_cache[args]
+    return wrapper