Update app.py

app.py

@@ -1,22 +1,20 @@
-import os
 import streamlit as st
-from streamlit_cookies_manager import EncryptedCookieManager
 
-# This should be on top of your script
-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="ktosiek/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", "My secret password"),
-)
-if not cookies.ready():
-    # Wait for the component to load and send us current cookies.
-    st.stop()
+# Input fields
+a = st.number_input("First value", 1, 1000)
+b = st.number_input("Second value", 1, 1000)
 
-st.write("Current cookies:", cookies)
-value = st.text_input("New value for a cookie")
-if st.button("Change the cookie"):
-    cookies['a-cookie'] = value  # This will get saved on next rerun
-    if st.button("No really, change it now"):
-        cookies.save()  # Force saving the cookies now, without a rerun
+# Perform an operation, and save its result
+if st.button("Compute value"):
+    result = a * b
+    st.experimental_set_query_params(my_saved_result=result)  # Save value
+
+# Retrieve app state
+app_state = st.experimental_get_query_params()  
+
+# Display saved result if it exist
+if "my_saved_result" in app_state:
+    saved_result = app_state["my_saved_result"][0]
+    st.write("Here is your result", saved_result)
+else:
+    st.write("No result to display, compute a value first.")