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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 schedule_url(self, release):
 """ Return a human-friendly URL for this release. :param release: str, release shortname eg. "ceph-3-0" :returns: str, URL """

        product, _ = release.split('-', 1)
        url = 'product/%s/release/%s/schedule/tasks' % (product, release)
        return posixpath.join(self.url, url)