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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 getDatabases(self):
 """Returns list of databases. @return: List of databases. """

        cur = self._conn.cursor()
        cur.execute("""SHOW DATABASES;""")
        rows = cur.fetchall()
        if rows:
            return [row[0] for row in rows]
        else:
            return []