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=2, top_p=1)
    #temperature and top_p control randomness
    
    return response['choices'][0]['message']['content'].strip()
        
chatbot = gr.ChatInterface(respond, type="messages")
chatbot.launch()