Update app.py

app.py

@@ -113,11 +113,14 @@ if "generated" not in st.session_state:
 if "past" not in st.session_state:
     st.session_state["past"] = []
 
+def get_text():
+    user_input = st.text_input("You: ", "Who are you?", key="input")
+    return user_input
 
-user_input = st.text_input("You: ", "Who are you?", key="input")
+user_input = get_text()
+ask = st.button("Ask")
 
-
-if user_input:
+if ask:
 
     if os.environ["OPENAI_API_KEY"] is None:
         st.text("Paste your OpenAI API key to get started")