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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 formatted_filters(self):
 """ Cache and return filters as a comprehensive WQL clause. """

        if not self._formatted_filters:
            filters = deepcopy(self.filters)
            self._formatted_filters = self._format_filter(filters, self._and_props)
        return self._formatted_filters