Update app.py

app.py

@@ -24,6 +24,9 @@ class chatgpt:
           self.conversation.append({'role': response.choices[0].message.role, 'content': response.choices[0].message.content})
           return self.history, self.history
 
+      def system_message(self, systemmessage):
+          self.conversation.append({"role": "system", "content": f"{systemmessage}"})
+
       def Clean(self):
           self.history.clear()
           self.conversation.clear()
@@ -38,6 +41,9 @@ with block:
                    <p><center>ChatGPT-Assistant is a chatbot that uses the gpt-3.5-turbo model</center></p>
     """)
     api_key = gr.Textbox(type="password", label="Enter your OpenAI API key here")
+    system = gr.Textbox(label="System message", placeholder="Example: You are a helpful assistant.")
+    sub = gr.Button("Send")
+    sub.click(chatgpt.system_message, inputs=[system])
     chatbot = gr.Chatbot()
     message = gr.Textbox(label="Message")
     state = gr.State()