Update app.py

app.py

@@ -1,23 +1,33 @@
 import streamlit as st
 
-def main():
-    st.set_page_config(page_title="Terms of Service Agreement", page_icon=":guardsman:", layout="wide")
-    st.title("Terms of Service Agreement")
+# Define a function to hide a Streamlit tab
+def hide_tab():
+    hide_streamlit_style = """
+            <style>
+            #MainMenu {visibility: hidden;}
+            footer {visibility: hidden;}
+            </style>
+            """
+    st.markdown(hide_streamlit_style, unsafe_allow_html=True)
 
-    agreed = st.checkbox("I agree to the terms of service")
-    username = st.text_input("Enter your username")
+# Define a function to show a Streamlit tab
+def show_tab():
+    show_streamlit_style = """
+            <style>
+            #MainMenu {visibility: visible;}
+            footer {visibility: visible;}
+            </style>
+            """
+    st.markdown(show_streamlit_style, unsafe_allow_html=True)
 
-    if st.button("Submit") and agreed and username.strip():
-        st.experimental_rerun()
-        st.session_state["user_name"] = username
-        st.session_state["tos_agreed"] = True
-        st.experimental_reroute("/congratulations")
+# Hide the Streamlit tab by default
+hide_tab()
 
-    if not st.session_state.get("tos_agreed", False):
-        return
-
-    st.title("Congratulations!")
-    st.write(f"Welcome to our platform, {st.session_state['user_name']}!")
-
-if __name__ == "__main__":
-    main()
+# Create a button to show the hidden tab
+if st.button('Show tab'):
+    show_tab()
+    # Add content to the tab
+    st.write('This is a hidden tab. You can now see it!')
+    # Create a button to hide the tab again
+    if st.button('Hide tab'):
+        hide_tab()