added examples to python file

app.py

@@ -5,7 +5,7 @@ llm = Llama(model_path="ggml-alpaca-7b-q4.bin")
 
 def generate_text(input_text):
     output = llm(input_text, max_tokens=256, stop=["Q:", "\n"], echo=True)
-    return output['choices']['text']
+    return output['choices'][0]['text']
 
 input_text = gr.inputs.Textbox(label="Enter your input text")
 output_text = gr.outputs.Textbox(label="Output text")