Update app.py

app.py

@@ -13,17 +13,21 @@ def add_participant(participant):
     
     clean_name = participant.strip()
     participants_set.add(clean_name)
-    participants_list = sorted(list(participants_set))  # Ensure alphabetical order
+    participants_list = sorted(list(participants_set))  # Sort for consistent display
     participants_text = "\n".join(participants_list)
-    return participants_text
+    
+    # Return updated participant list for dropdowns
+    return participants_text, participants_list, participants_list
 
 def remove_participant(participant):
     global participants_set
     if participant in participants_set:
         participants_set.remove(participant)
-    participants_list = sorted(list(participants_set))  # Ensure alphabetical order
+    participants_list = sorted(list(participants_set))  # Sort for consistent display
     participants_text = "\n".join(participants_list)
-    return participants_text
+    
+    # Return updated participant list for dropdowns
+    return participants_text, participants_list, participants_list
 
 # Add expenses
 def add_expense(description, amount, payer, participants_list):
@@ -150,12 +154,14 @@ with gr.Blocks(theme='soft') as app:
             
             payer = gr.Dropdown(
                 label="Payer", 
+                choices=[],
                 interactive=True
             )
             
             participants = gr.Dropdown(
                 label="Participants", 
-                multiselect=True, 
+                multiselect=True,
+                choices=[],
                 interactive=True
             )
             
@@ -172,13 +178,13 @@ with gr.Blocks(theme='soft') as app:
     add_participant_btn.click(
         add_participant, 
         inputs=participant_input, 
-        outputs=participants_display
+        outputs=[participants_display, payer, participants]
     )
 
     remove_participant_btn.click(
         remove_participant, 
         inputs=participant_input, 
-        outputs=participants_display
+        outputs=[participants_display, payer, participants]
     )
     
     add_btn.click(