Code Editor for app.py

import streamlit as st

st.title("Simple Streamlit App")
st.write("Welcome to my simple Streamlit app!")

name = st.text_input("What's your name?")
if name:
    st.write(f"Hello, {name}! 👋")

number = st.slider("Pick a number", 0, 100, 50)
st.write(f"You selected: {number}")

if st.button("Click me!"):
    st.balloons()