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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 download(self, url):
 """ Download a sound file. """

    logging.getLogger().debug("Downloading '%s'..." % (url))
    response = __class__.session.get(url,
                                     headers={"User-Agent": "Mozilla/5.0"},
                                     timeout=3.1)
    response.raise_for_status()
    return response.content