# bad ------------------------------------------------------------------

def get_data_dicts():
    result = []
    for something in get_some_data():
        result.append({
            'foo': something['foo'],
            'bar': something['bar']
        })


def process_data_dicts():
    for data_dict in get_data_dicts():
        print(data_dict['foo'])


# good ------------------------------------------------------------------


class MyData():
    def __init__(self, foo, bar):
        self.foo = foo
        self.bar = bar


def get_data_objects():
    result = []
    for something in get_some_data():
        result.append(
            Data(foo=something['foo'], bar=something['bar']),
        )


def process_data_objects():
    for data_obj in get_data_objects():
        print(data.foo)