def undobufferentries(self):
        if self.undobuffer is None:
            return 0
        return self.undobuffer.nr_of_items()
Appending a statement to sql script
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/site-packages/turtle.py/RawTurtle.undobufferentries--crossover with--dataset/ETHPy150Open coursera/dataduct/dataduct/database/sql/tests/test_sql_script.py/TestSqlScript.test_append_statement