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=1000, temperature=1.3, top_p=.76
    )
    #temperature and top_p control randomness

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

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