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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 intersect(self, other):
 """Find the mutual tensor factors of two Hilbert spaces."""

        if other is FullSpace:
            return self
        if other is TrivialSpace:
            return TrivialSpace
        if isinstance(other, ProductSpace):
            other_ops = set(other.operands)
        else:
            other_ops = {other}
        return ProductSpace.create(
                *sorted(set(self.operands).intersection(other_ops)))