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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 proxies(self, url):
 """ Get the transport proxy configuration :param url: string :return: Proxy configuration dictionary :rtype: Dictionary """

        netloc = urllib.parse.urlparse(url).netloc
        proxies = {}
        if settings.PROXIES and settings.PROXIES.get(netloc):
            proxies["http"] = settings.PROXIES[netloc]
            proxies["https"] = settings.PROXIES[netloc]
        elif settings.PROXY_URL:
            proxies["http"] = settings.PROXY_URL
            proxies["https"] = settings.PROXY_URL
        return proxies