# hello/world.py

def hello(name):
    """
    Return a greeting message for the given name.

    Parameters:
    - name (str): Name to greet.

    Returns:
    - str: Greeting message.
    """
    return f"Hello, {name}!"

def hello_world():
    """
    Return a generic greeting message.

    Returns:
    - str: Greeting message.
    """
    return "Hello, World!"

def hi(name):
    """
    Return a casual greeting message for the given name.

    Parameters:
    - name (str): Name to greet.

    Returns:
    - str: Greeting message.
    """
    return f"Hi, {name}"

def hi_world():
    """
    Return a casual greeting message.

    Returns:
    - str: Greeting message.
    """
    return "Hi, World!"

def version():
    """
    Return the version number of the package.

    Returns:
    - str: Version number.
    """
    return "8.0.0"
