Code Editor for app.py

import streamlit as st

# Set page title
st.title("Simple Counter App")

# Initialize counter in session state if it doesn't exist
if "count" not in st.session_state:
    st.session_state.count = 0

# Display current count
st.header(f"Current Count: {st.session_state.count}")

# Create columns for buttons
col1, col2, col3 = st.columns(3)

# Increment button
with col1:
    if st.button("Increment (+1)"):
        st.session_state.count += 1
        st.rerun()

# Decrement button
with col2:
    if st.button("Decrement (-1)"):
        st.session_state.count -= 1
        st.rerun()

# Reset button
with col3:
    if st.button("Reset"):
        st.session_state.count = 0
        st.rerun()

# Add a custom increment input
st.subheader("Custom Increment")
col1, col2 = st.columns([3, 1])

with col1:
    increment_value = st.number_input("Enter a value to add/subtract:", value=0, step=1)

with col2:
    if st.button("Apply"):
        st.session_state.count += increment_value
        st.rerun()

# Add a small footer
st.markdown("---")
st.caption("A simple counter application built with Streamlit")