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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_data_and_files(self):
 """ Parses the request content into `self.data`. """

        if not _hasattr(self, '_data'):
            self._data, self._files = self._parse()
            if self._files:
                self._full_data = self._data.copy()
                self._full_data.update(self._files)
            else:
                self._full_data = self._data