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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 write_info(self, w):
 """ Writes TVP_TYPENAME structure spec: https://msdn.microsoft.com/en-us/library/dd302994.aspx @param w: TdsWriter @return: """

        w.write_b_varchar("")  # db_name, should be empty
        w.write_b_varchar(self._table_type.typ_schema)
        w.write_b_varchar(self._table_type.typ_name)