add selected to dropdown input

app.py

@@ -18,11 +18,10 @@ folder_name = 'cache'
 folder_path = current_directory / folder_name
 
 # Check if the folder exists
-if folder_path.is_dir():
-    # Open the folder in the default file explorer of the operating system
-    os.startfile(str(folder_path))
+if folder_path.exists() and folder_path.is_dir():
+    print(f"The folder '{folder_name}' exists.")
 else:
-    print(f"The folder '{folder_name}' does not exist in the current directory.")
+    print(f"The folder '{folder_name}' does not exist.")
 
    
 script_dir = os.path.dirname(os.path.abspath(__file__))
@@ -38,7 +37,8 @@ app_ui = ui.page_fluid(
     ui.div(
         ui.input_select(
             "track", label="Track",
-            choices=["Austria", "Hungary", "Spanish Grand Prix"]
+            choices=["Austria", "Hungary", "Spanish Grand Prix"],
+            selected = "Austria"
         ),
         class_="d-flex gap-3"
     ),