Update app.py

app.py

@@ -1,4 +1,38 @@
 
+import openai
+import os
+
+openai.api_key = os.environ.get("OPENAI_API_KEY")
+
+class Conversation:
+    def __init__(self, prompt, num_of_round):
+        self.prompt = prompt
+        self.num_of_round = num_of_round
+        self.messages = []
+        self.messages.append({"role": "system", "content": self.prompt})
+
+    def ask(self, question):
+        try:
+            self.messages.append({"role": "user", "content": question})
+            response = openai.ChatCompletion.create(
+                model="gpt-3.5-turbo",
+                messages=self.messages,
+                temperature=0.5,
+                max_tokens=2048,
+                top_p=1,
+            )
+        except Exception as e:
+            print(e)
+            return e
+
+        message = response["choices"][0]["message"]["content"]
+        self.messages.append({"role": "assistant", "content": message})
+
+        if len(self.messages) > self.num_of_round*2 + 1:
+            del self.messages[1:3] //Remove the first round conversation left.
+        return message
+
+
 import gradio as gr
 prompt = """你是一个中国厨师，用中文回答做菜的问题。你的回答需要满足以下要求:
 1. 你的回答必须是中文