Code Editor for app.py

import streamlit as st

st.title("Simple Calculator")

# Create two columns for input
col1, col2 = st.columns(2)

with col1:
    num1 = st.number_input("Enter first number", value=0.0)

with col2:
    num2 = st.number_input("Enter second number", value=0.0)

# Create operation selection
operation = st.selectbox(
    "Select operation",
    ("Addition", "Subtraction", "Multiplication", "Division")
)

# Calculate result
if st.button("Calculate"):
    if operation == "Addition":
        result = num1 + num2
        st.success(f"{num1} + {num2} = {result}")
    elif operation == "Subtraction":
        result = num1 - num2
        st.success(f"{num1} - {num2} = {result}")
    elif operation == "Multiplication":
        result = num1 * num2
        st.success(f"{num1} × {num2} = {result}")
    elif operation == "Division":
        if num2 != 0:
            result = num1 / num2
            st.success(f"{num1} ÷ {num2} = {result}")
        else:
            st.error("Error: Division by zero!")