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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 __load(self, redirect=True, preload=False):
 """ load the basic page information """

        query_params = {
            "prop": "info|pageprops",
            "inprop": "url",
            "ppprop": "disambiguation",
            "redirects": "",
        }
        query_params.update(self.__title_query_param())

        request = self.mediawiki.wiki_request(query_params)

        query = request["query"]
        pageid = list(query["pages"].keys())[0]
        page = query["pages"][pageid]

        # determine result of the request
        # missing is present if the page is missing
        if "missing" in page:
            self._raise_page_error()
        # redirects is present in query if page is a redirect
        elif "redirects" in query:
            self._handle_redirect(redirect, preload, query, page)
        # if pageprops is returned, it must be a disambiguation error
        elif "pageprops" in page:
            self._raise_disambiguation_error(page, pageid)
        else:
            self.pageid = pageid
            self.title = page["title"]
            self.url = page["fullurl"]