Update app.py

app.py

@@ -44,14 +44,13 @@ with gr.Blocks() as demo:
             # Initial Physics button
             physics_button = gr.Button("Physics", variant="primary")
             
-           # Updated Dropdown to include chapters under Physics
-           chapter = gr.Dropdown(
-            ["Physics", "Chapter 1: Kinematics", "Chapter 2: Dynamics", "Chapter 3: Energy", "Chapter 4: Waves"], 
-            label="Select Chapter", 
-             visible=False,
-             info="Choose the chapter for the test"
-              )
-
+            # Dropdowns for chapter and difficulty, initially hidden
+            chapter = gr.Dropdown(
+                ["Select a chapter", "Chapter 1: Kinematics", "Chapter 2: Dynamics", "Chapter 3: Energy", "Chapter 4: Waves"], 
+                label="Select Chapter", 
+                visible=False,
+                info="Choose the chapter for the test"
+            )
             difficulty = gr.Radio(
                 ["Beginner", "Intermediate", "Advanced"], 
                 label="Difficulty Level",