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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 _open_browser(self, single_doc_html):
 """ Open a browser tab showing single """

        url = os.path.join('file://', DOC_PATH, 'build', 'html',
                           single_doc_html)
        webbrowser.open(url, new=2)