Update app.py

app.py

@@ -1,10 +1,15 @@
+import os
 import validators
 import streamlit as st
+from dotenv import load_dotenv
 from langchain.prompts import PromptTemplate
 from langchain_groq import ChatGroq
 from langchain.chains.summarize import load_summarize_chain
 from langchain_community.document_loaders import YoutubeLoader, UnstructuredURLLoader
 
+# Load environment variables from .env file
+load_dotenv()
+
 # Streamlit App Setup
 st.set_page_config(page_title="LangChain: Summarize Text From YT or Website", page_icon="🦜")
 st.title("Last-Minute??? No Worries! Summarize Text From YT or Website :)")
@@ -12,7 +17,17 @@ st.subheader('Summarize URL')
 
 # Sidebar Inputs
 with st.sidebar:
-    groq_api_key = st.text_input("Groq API Key", value="", type="password")
+    # Option to input default API key
+    default_api_key = os.getenv("DEFAULT_API_KEY", "")
+    default_api_key_option = st.checkbox("Use Default API Key", value=False)
+    
+    if default_api_key_option:
+        groq_api_key = default_api_key
+    else:
+        groq_api_key = st.text_input("Groq API Key", value="", type="password", help="Enter your API key")
+
+# Additional text for user input
+st.sidebar.text("You can also input your own API key above.")
 
 generic_url = st.text_input("URL", label_visibility="collapsed")