<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_fields(model_class):
 """ Pass in a mongo model class and extract all the attributes which are mongoengine fields Returns: list of strings of field attributes """

    return [
        attr for attr, value in model_class.__dict__.items()
        if issubclass(type(value), (mongo.base.BaseField, mongo.EmbeddedDocumentField))  # noqa
    ]