app.py

import streamlit as st

name = st.text_input("Name")
if name:
    st.write("Hello,", name)

st.date_input("date")

st.slider("slider", 0, 100, 50)

with st.sidebar:
    st.title("Color theme sample")
    st.markdown("This Streamlit app is served with `.streamlit/config.toml` to control the color theme with its `[theme]` section!")