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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_view_url(self):
 """Return the current view url including request parameters """

        request = self.request
        url = request.getURL()
        qs = request.getHeader("query_string")
        if not qs:
            return url
        return "{}?{}".format(url, qs)