added placeholders

app.py

@@ -8,7 +8,7 @@ def echo_text(input_text):
 
 with gr.Interface(
     fn=echo_text,
-    inputs=gr.Textbox("Enter text here..."),
+    inputs=gr.Textbox(placeholder="Enter text here..."),
     outputs=gr.Textbox(),
     live=True,
     title="LLM Evaluator with Linguistic Scrutiny",
@@ -17,9 +17,9 @@ with gr.Interface(
     blocks = gr.Blocks()
     
     with gr.Row():
-        vicuna_model_selector = gr.Dropdown(["7b", "13b", "33b"], label="Vicuna Model", default="7b")
-        llama_model_selector = gr.Dropdown(["7B", "13B", "30B", "65B"], label="LLaMa Model", default="7B")
-        chatgpt_api_key = gr.Textbox(label="ChatGPT API Key", type="password")
+        vicuna_model_selector = gr.Dropdown(["7b", "13b", "33b"], label="Vicuna Model", placeholder="Select model size")
+        llama_model_selector = gr.Dropdown(["7B", "13B", "30B", "65B"], label="LLaMa Model", placeholder="Select model size")
+        chatgpt_api_key = gr.Textbox(label="ChatGPT API Key", type="password", placeholder="Enter your API key")
 
     # Strategy 1 - QA-Based Prompting
     strategy1_title = gr.Textbox("Strategy 1 - QA-Based Prompting", style="font-weight: bold; font-size: 16px;")