Code Editor for app.py

import streamlit as st

# Initialize session state for storing the history if it doesn't exist
if 'history' not in st.session_state:
    st.session_state.history = []

# Title
st.title("Dual Selection App")

# Create two selectboxes
option1 = st.selectbox(
    "Select first option",
    options=["Apple", "Banana", "Orange", "Grape"],
    key="select1",
    index=None,
    placeholder="Choose a fruit..."
)

option2 = st.selectbox(
    "Select second option",
    options=["Red", "Blue", "Green", "Yellow"],
    key="select2",
    index=None,
    placeholder="Choose a color..."
)

# Create a submit button
if st.button("Submit Selections"):
    if option1 and option2:  # Only proceed if both selections are made
        # Add selections to history
        st.session_state.history.append((option1, option2))
        # Clear the selections
        st.session_state.select1 = None
        st.session_state.select2 = None
        st.rerun()

# Display history
if st.session_state.history:
    st.write("### Previous Selections:")
    for i, (sel1, sel2) in enumerate(st.session_state.history, 1):
        st.write(f"{i}. First selection: {sel1}, Second selection: {sel2}")