Update app.py

app.py

@@ -1,10 +1,13 @@
 from google import genai
 from google.genai import types
 import gradio as gr
+import os
+
+
 
 MODEL_ID = "gemini-2.0-flash-thinking-exp"
 from google import genai
-client = genai.Client(api_key="AIzaSyCmUDbVAOGcRZcOKP4q6mmeZ7Gx1WgE3vE")
+client = genai.Client(api_key=os.getenv('api_key'))
 
 def llm_response(text):
   response = client.models.generate_content(