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| # calculator_app.py | |
| import streamlit as st | |
| # Title | |
| st.title("🧮 Basic Calculator App") | |
| # Input Fields | |
| num1 = st.number_input("Enter first number:", value=0.0, format="%.2f") | |
| num2 = st.number_input("Enter second number:", value=0.0, format="%.2f") | |
| # Operation Selection | |
| operation = st.selectbox("Choose an operation:", ["Addition", "Subtraction", "Multiplication", "Division"]) | |
| # Calculate on button click | |
| if st.button("Calculate"): | |
| try: | |
| if operation == "Addition": | |
| result = num1 + num2 | |
| st.success(f"Result: {result:.2f}") | |
| elif operation == "Subtraction": | |
| result = num1 - num2 | |
| st.success(f"Result: {result:.2f}") | |
| elif operation == "Multiplication": | |
| result = num1 * num2 | |
| st.success(f"Result: {result:.2f}") | |
| elif operation == "Division": | |
| if num2 == 0: | |
| st.error("Error: Division by zero is not allowed.") | |
| else: | |
| result = num1 / num2 | |
| st.success(f"Result: {result:.2f}") | |
| except Exception as e: | |
| st.error(f"An error occurred: {e}") | |