https://www.cnblogs.com/hezhiyao/p/7833867.html
import numpy as np x = np.array([[[0], [1], [2]]]) print(x) """x= [[[0] [1] [2]]] """ print(x.shape) # (1, 3, 1) x1 = np.squeeze(x) # 从数组的形状中删除单维条目,即把shape中为1的维度去掉 print(x1) # [0 1 2] print(x1.shape) # (3,)