import re


def find_nonalp(text):
    """
    Extract Non Alphanumeric characters.

    Parameters
    ----------
        text: str
            Text selected to apply transformation

    Examples:
    ---------
    ```python
    sentence="Twitter has lots of @ and # in posts.(general tweet)"
    find_nonalp(sentence)
        >>> ['@', '#', '.', '(', ')']
    ```
    """
    line = re.findall("[^A-Za-z0-9 ]", text)
    return line