dev: check working

app.py

@@ -180,3 +180,13 @@ try:
     print(f"File downloaded successfully to: {output_path}")
 except Exception as e:
     print(f"Error downloading file: {e}")
+
+#-----------------------------------------------------------------------------------------
+
+output_file = "file.h5"  
+file_path = os.path.join(output_dir, output_file)
+
+if os.path.exists(file_path):
+    print(f"The file '{output_file}' exists at '{file_path}'.")
+else:
+    print(f"The file '{output_file}' does not exist at '{file_path}'.")