Upload app.py

app.py

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+
+import streamlit as st
+from streamlit_cookies_manager import EncryptedCookieManager
+import os
+import warnings
+
+cookies = EncryptedCookieManager(
+    # This prefix will get added to all your cookie names.
+    # This way you can run your app on Streamlit Cloud without cookie name clashes with other apps.
+    prefix="LUL/streamlit-cookies-manager/",
+    # You should really setup a long COOKIES_PASSWORD secret if you're running on Streamlit Cloud.
+    password=os.environ.get("COOKIES_PASSWORD", "uDnda87,kGFdi&jh.kjsk/jk4DF369*^jhGks"),
+)
+warnings.filterwarnings("ignore")
+import uuid
+from datetime import datetime, timedelta
+
+@st.cache_data
+def gener():
+   user_id = str(uuid.uuid4()) # generate a random user id
+   expiration_date = datetime.now() + timedelta(days=365) # set expiration date to one year from now
+   cookies['user_id'] = user_id# set the cookie
+
+user_id = cookies['user_id'] # get the cookie value
+if user_id is not None:
+    st.write(f"Your user id is {user_id}") # display the user id
+else:
+    gener()