app.py

import gradio as gr
#import random
from huggingface_hub import InferenceClient

client = InferenceClient("microsoft/phi-4")

def respond(message, history):

    messages = [{"role":"system", "content": "You are a friendly chatbot!"}]

    if history:
        messages.extend(history)
    messages.append({"role": "user", "content":message})

    response = client.chat_completion(messages, max_tokens=100)

    
    #responses = ["Yes","No"] #added here 
    return response['choices'][0]['message']['content'].strip() #added here

chatbot = gr.ChatInterface(respond, type="messages", title="Friendly chatbot", ) #chatbot UI - conversion history and user input 

chatbot.launch()