def _is_dunder(name):
    """Returns True if a __dunder__ name, False otherwise."""
    return (name[:2] == name[-2:] == '__' and
            name[2:3] != '_' and
            name[-3:-2] != '_' and
            len(name) > 4)
dataset/ETHPy150Open SickRage/SickRage/lib/enum34/__init__.py/_is_dunder/original