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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 userBrowser(self, request, tag):
 """ Render a TDB of local users. """

        f = LocalUserBrowserFragment(self.browser)
        f.docFactory = webtheme.getLoader(f.fragmentName)
        f.setFragmentParent(self)
        return f