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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 _connect(self):
 """ Connect to the MySQL server """

        self._close()
        self.conn = MySQLdb.Connect(host=self.hostname,
                                    port=self.port,
                                    user=self.username,
                                    passwd=self.password,
                                    db=self.database)