src/streamlit_app.py

import streamlit as st
st.title(" Simple Calculator")

# Input numbers
num1 = st.number_input("Enter first number:")
num2 = st.number_input("Enter second number:")
# Operation selection
operation = st.radio("Select operation:", ("Add", "Subtract", "Multiply",
"Divide"))
# Calculate result
if st.button("Calculate"):
    if operation == "Add":
        result = num1 + num2
    elif operation == "Subtract":
        result = num1 - num2
    elif operation == "Multiply":
        result = num1 * num2
    elif operation == "Divide":
        result = num1 / num2 if num2 != 0 else "Error: Division by zero!"
    st.success(f"Result: {result}")