app.py

import openai
import gradio

openai.api_key = "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"

messages = [{"role": "system", "content": "You are a Chatbot who only talks related to subject mathematics"}]

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 = "Doctor")
demo.launch()