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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 _get_url(url):
 """Returns a URL string. If the ``url`` parameter is a ParsedResult from `urlparse` the full url will be unparsed and made into a string. Otherwise the ``url`` parameter is returned as is. :param url: ``str`` || ``object`` """

        if isinstance(url, urlparse.ParseResult):
            return urlparse.urlunparse(url)
        else:
            return url