def as_attribute(identifier: str) -> str:
    """
    Translate the name of a mapry property to a name of a Python attribute.

    :param identifier: mapry identifier of a property
    :return: translated to a Python attribute name

    >>> as_attribute('some_URL_property')
    'some_url_property'

    >>> as_attribute('URL_property')
    'url_property'

    """
    return identifier.lower()