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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 transform(self):
 """Return a new transformed matrix. :return: Returns a new transformed Matrix :rtype: Matrix """

        t_matrix = Matrix(self._rows, self._columns)
        for col_i, col in enumerate(self.matrix):
            for row_i, entry in enumerate(col):
                t_matrix.set_value(row_i, col_i, entry)
        return t_matrix