Code Editor for app.py

import streamlit as st

# Initialize the list in session state if it doesn't exist
if "items" not in st.session_state:
    st.session_state.items = ["Item 1", "Item 2", "Item 3"]  # Initial demo items

st.title("List Manager")

# Text input to add new items
new_item = st.text_input("Add a new item")
if new_item:
    if new_item not in st.session_state.items:
        st.session_state.items.append(new_item)
        st.rerun()

# Display checkboxes for each item
selected_items = []
st.write("Select items to delete:")
for item in st.session_state.items:
    if st.checkbox(item, key=f"checkbox_{item}"):
        selected_items.append(item)

# Delete button
if selected_items and st.button("Delete Selected Items"):
    for item in selected_items:
        st.session_state.items.remove(item)
    st.rerun()

# Display current list
st.write("Current list:")
st.write(st.session_state.items)