app.py

import gradio as gr

def law_bot(message, history):
  if message.endswith("Hi"):
    return "Yes, my lordship? Do you have a question?" 
  else:
    return "Look at you sir; no greetings for us lowly bots?"
  if history("Hi"):
    return "Greetings of the day, sir! How may i help you?"
      
demo = gr.ChatInterface(
    law_bot,
    chatbot=gr.Chatbot(height=100),
    textbox=gr.Textbox(placeholder="Ask me a question of law", container=False, scale=4),
    title="LawBot",
    description="Ask me a legal question",
    theme="gradio/monochrome",
    examples=["What is Habeas Corpus?", "What is Mandamus?", "What is Certiorari?"],
    cache_examples=True,
    retry_btn=None,
    undo_btn="Delete Previous",
    clear_btn="Clear",
    show_progress="full", 
)
demo.launch()