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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 trace_sql_database_request(self, database, sql):
        '''Create a tracer for the given database info and SQL statement.

        :param DbInfoHandle database: Database information (see
            :meth:`create_database_info`).
        :param str sql: The SQL statement to trace.
        :rtype: tracers.DatabaseRequestTracer
        '''
        assert isinstance(database, DbInfoHandle)
        return tracers.DatabaseRequestTracer(
            self._nsdk,
            self._nsdk.databaserequesttracer_create_sql(database.handle, sql))