app.py

import streamlit as st

st.title("Simple Adder App")

# Input fields
num1 = st.number_input("Enter first number", value=0.0)
num2 = st.number_input("Enter second number", value=0.0)

# Button
if st.button("Submit"):
    result = num1 + num2
    st.success(f"The sum is: {result}")