app.py

import openai
import gradio

openai.api_key = "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"

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

def CustomChatGPT(user_input):
  messages.append({"role": "user", "content": user_input})
  response = openai.ChatCompletion.create(model = "gpt-3.5-turbo", messages = messages)
  ChatGPT_reply = response["choices"][0]["message"]["content"]
  messages.append({"role": "assistant", "content": ChatGPT_reply})
  return ChatGPT_reply

demo = gradio.Interface(fn=CustomChatGPT, inputs = "text", outputs = "text", title = "Harsh Gupta's ChatBot")
demo.launch()