Solution

app/main.py

@@ -2,5 +2,15 @@
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+    cache_func = {}
+    def wrapper(*args, **kwargs) -> str:
+        key = (args, frozenset(kwargs.items()))
+        if key in cache_func:
+            print("Getting from cache")
+            return cache_func[key]
+        else:
+            print("Calculating new result")
+            result = func(*args, **kwargs)
+            cache_func[key] = result
+            return result
+    return wrapper