class context_free_grammer(object):

    def __init__(self):
        self.cfg = {'s': 'np vp'}
        print(self.cfg)


if __name__ == '__main__':
    cfg = context_free_grammer()

6e41a3d0e43bb40b7bc86d4eb78cf9877d606e5f
<mask token>

class context_free_grammer(object):
    <mask token>


<mask token>

class context_free_grammer(object):

    def __init__(self):
        self.cfg = {'s': 'np vp'}
        print(self.cfg)


<mask token>

class context_free_grammer(object):

    def __init__(self):
        self.cfg = {'s': 'np vp'}
        print(self.cfg)


if __name__ == '__main__':
    cfg = context_free_grammer()
