update default playground example value

app.py

@@ -7,12 +7,11 @@ from pages.batch_evaluation import create_batch_evaluation_interface
 
 def welcome_message():
     return """
-    ## Summarization Projects Demo :rocket:
+## Summarization Demo
 
-    This application is for **internal use** and is designed to facilitate **fast prototyping** and **experimentation.**
+This application is for **internal use** and is designed to facilitate **fast prototyping** and **experimentation.**
 
-    Select a demo from the sidebar below to begin experimentation.
-    """
+Select a demo from the sidebar below to begin experimentation."""
 
 with gr.Blocks() as demo:
     with gr.Column(scale=4):

pages/summarization_playground.py

@@ -65,7 +65,7 @@ def create_summarization_interface():
         gr.Markdown("## This is a playground to test summarizations")
         
         with gr.Row():
-            example_dropdown = gr.Dropdown(choices=list(examples.keys()), label="Choose an example")
+            example_dropdown = gr.Dropdown(choices=list(examples.keys()), label="Choose an example", value=random_label)
             model_dropdown = gr.Dropdown(choices=Model.__model_list__, label="Choose a model", value=Model.__model_list__[0])
         
         Template_text = gr.Textbox(value="""Summarize the following dialogue""", label='Input Prompting Template', lines=8, placeholder='Input your prompts')