app.py

from huggingface_hub import InferenceClient

import gradio as gr
import random

client = InferenceClient("Qwen/Qwen2.5-72B-Instruct")

def respond(message, history):
    # responses = ["Yes", "No"]
    # return random.choice(responses)
    
    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, temperature = 1.3, top_p = 0.7
    )
    #temperature and top_p control randomness

    return response['choices'][0]['message']['content'].strip()

chatbot = gr.ChatInterface(respond, type="messages")
chatbot.launch()