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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def db_from_hass_config(path=None, **kwargs):
 """Initialize a database from HASS config."""

    if path is None:
        path = config.find_hass_config()

    url = config.db_url_from_hass_config(path)
    return HassDatabase(url, **kwargs)