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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 non_fluent_size(self) -> Sequence[Sequence[int]]:
        '''The size of each non-fluent in canonical order.

        Returns:
            Sequence[Sequence[int]]: A tuple of tuple of integers
            representing the shape and size of each non-fluent.
        '''
        fluents = self.domain.non_fluents
        ordering = self.domain.non_fluent_ordering
        return self._fluent_size(fluents, ordering)