diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6435913
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,68 @@
+# Python bytecode files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Virtual environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
diff --git a/add_numbers.py b/add_numbers.py
new file mode 100644
index 0000000..aaf71dc
--- /dev/null
+++ b/add_numbers.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+"""
+Simple Python script to add two numbers together.
+"""
+
+def add_numbers(num1, num2):
+    """
+    Add two numbers together and return the result.
+    
+    Args:
+        num1 (float): First number
+        num2 (float): Second number
+    
+    Returns:
+        float: Sum of the two numbers
+    """
+    return num1 + num2
+
+def get_number_input(prompt):
+    """
+    Get a number from user input with error handling.
+    
+    Args:
+        prompt (str): Prompt message to display to user
+    
+    Returns:
+        float: The number entered by the user
+    """
+    while True:
+        try:
+            return float(input(prompt))
+        except ValueError:
+            print("Please enter a valid number.")
+
+def main():
+    """
+    Main function that demonstrates the usage of add_numbers function.
+    Prompts user for two numbers, adds them, and displays the result.
+    """
+    print("Welcome to the Number Addition Calculator!")
+    print("-" * 40)
+    
+    # Get input from user
+    first_number = get_number_input("Enter the first number: ")
+    second_number = get_number_input("Enter the second number: ")
+    
+    # Perform addition
+    result = add_numbers(first_number, second_number)
+    
+    # Display result
+    print(f"\nResult: {first_number} + {second_number} = {result}")
+
+if __name__ == "__main__":
+    main()