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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 extend_transformations(self, transformations, return_alternatives=False):
 """ Extends a sequence of transformations to the TransformedStructure. Args: transformations: Sequence of Transformations return_alternatives: Whether to return alternative TransformedStructures for one-to-many transformations. return_alternatives can be a number, which stipulates the total number of structures to return. """

        for t in transformations:
            self.append_transformation(t,
                                       return_alternatives=return_alternatives)