GNU Hello 2.10 in Python 1.0.0

This is a Python implementation of the GNU Hello program (version 2.10). The program prints a friendly, customizable greeting to the terminal, offering options for traditional messages or custom greetings.

## Features

- **Traditional Greeting**: Prints "hello, world".
- **Customizable Greeting**: Allows the user to specify a custom greeting message using the `-g` or `--greeting` option.
- **Version Info**: Displays version information using the `-v` or `--version` option.

## Requirements

- Python 3.6 or newer

## Usage

Run the script with Python:

```bash
python hello.py [OPTIONS]
```

### Options

- `-v`, `--version`: Display version information.
- `-t`, `--traditional`: Use the traditional greeting "hello, world".
- `-g TEXT`, `--greeting TEXT`: Use `TEXT` as the greeting message.

### Examples

1. Print the traditional greeting:

    ```bash
    python hello.py --traditional
    ```

    Output:
    ```
    hello, world
    ```

2. Print a custom greeting:

    ```bash
    python hello.py --greeting "Hello, Pythonista!"
    ```

    Output:
    ```
    Hello, Pythonista!
    ```

3. Display version information:

    ```bash
    python hello.py --version
    ```

    Output:
    ```
    GNU Hello 2.10 in Python version 1.0.0
    ```

## License

This program is licensed under the terms of the GNU General Public License version 3 (GPLv3). You may redistribute and/or modify it under the terms of the license. A copy of the license is included below.

### GNU General Public License Version 3, 29 June 2007

```plaintext
Copyright (C) 2025 yahange

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.