项目中相关函数

1. spaces 

spaces.Box(low=None, high=None, shape=None, dtype=None)
#例子
b= paces.Box(0.0, float('inf'), [n_dims], dtype=np.float32) 
# low=0.0, high=inf , shape=740, dtype= float32

c= spaces.Box(0.0, 1.0, [self._env.action_space.n], dtype=np.float32) 
# low=0.0, high=1, shape=71, dtype= float32

2. lambda ，reduce

lambda 

reduce： 累加

n_dims = reduce(lambda x, y: x+len