Python Calculator Project

Project Overview

Build a simple calculator in Python using functions, user input, and arithmetic operators.

This beginner Python project helps you practice real coding skills with a small program you can run and modify.

Python Code

def add(a, b):
    return a + b

def subtract(a, b):
    return a - b

num1 = float(input('Enter first number: '))
num2 = float(input('Enter second number: '))
print('Sum:', add(num1, num2))
print('Difference:', subtract(num1, num2))

How to Run This Project

1. Install Python.
2. Create a new file ending with .py.
3. Paste the code into the file.
4. Open Command Prompt or Terminal.
5. Run the file using python filename.py.

What You Practice

• Python syntax
• Variables and data types
• Conditions and loops
• Functions or modules depending on the project
• Problem solving

Project Improvements

• Add error handling.
• Save data to a file.
• Create a menu system.
• Improve the user interface.
• Convert the project into a GUI or web app later.

Related Python Lessons

Python Tutorial | Functions | Lists | File Handling