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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 google_storage_url(self, sat):
 """ Returns a google storage url the contains the scene provided. :param sat: Expects an object created by scene_interpreter method :type sat: dict :returns: (String) The URL to a google storage file """

        filename = sat['scene'] + '.tar.bz'
        return url_builder([self.google, sat['sat'], sat['path'], sat['row'], filename])