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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, dsn):
 """Connect to DB. dbname: the database name user: user name used to authenticate password: password used to authenticate host: database host address (defaults to UNIX socket if not provided) port: connection port number (defaults to 5432 if not provided) """

        self.con = psycopg2.connect(dsn)
        self.cur = self.con.cursor(cursor_factory=psycopg2.extras.DictCursor)
        # autocommit: Disable automatic transactions
        self.con.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)