human
Complete the below
@pytest.fixture
def temporary_table():

    ''''Fixture that returns a factory for tables that do not yet exist and
    will be automatically deleted after the test.'
    '''
 Can you provide a the Python program you requested?
assistant
#Here is the Python program you requested.
    bigquery_client = bigquery.Client()
    dataset = bigquery_client.dataset(DATASET_ID)
    tables = []
    def factory(table_name):
        new_table = dataset.table(table_name)
        if new_table.exists():
            new_table.delete()
        tables.append(new_table)
        return new_table
    (yield factory)
    for table in tables:
        if table.exists():
            table.delete()