def observation_input(ob_space, batch_size=None, name='Ob'):
    '''
    Create placeholder to feed observations into of the size appropriate to the observation space, and add input
    encoder of the appropriate type.
    '''

    placeholder = observation_placeholder(ob_space, batch_size, name)
    return placeholder, encode_observation(ob_space, placeholder)
def observation_input ( ob_space , batch_size = None , name = 'Ob' ) : placeholder = observation_placeholder ( ob_space , batch_size , name ) return placeholder , encode_observation ( ob_space , placeholder )
Create placeholder to feed observations into of the size appropriate to the observation space, and add input
    encoder of the appropriate type.