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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_content_from_url(self, base_url):
 """ Sections can have SectionPage and ArticlePage child objects. These have different fields, and thus have to be treated differently. """

        # assemble url
        base_url = base_url.rstrip("/")
        url = base_url + API_PAGES_ENDPOINT + "?type=" + self._content_type + \
            "&fields=" + ",".join(self._fields) + \
            "&order=latest_revision_created_at"

        # make request
        try:
            response = requests.get(url)
            self._base_url = base_url
            self._content = response.json()
            self._content = self._content["items"]
            return self._content
        except requests.exceptions.ConnectionError:
            return "No content could be found from {}. " \
                "Are you sure this is the correct URL?".format(base_url)
        except requests.exceptions.RequestException:
            return "Content could not be imported at this time. " \
                   "Please try again later."