shape函数用来了解数组的结构
import numpy as np
#对于一维的数据
data = np.array([1,2,3,4,5,6,7,8])
print(data.shape)
print(type(data.shape))
print(data.shape[0])
输出:
(8,)
8
#对于二维的数据
data = np.array([[1,2,3,4],[5,6,7,8]])
print(data.shape)
print(type(data.shape))
print(data.shape[0])
输出:
(2, 4)
2
#对于三维的数据
data = np.array([[[1,2], [3, 4]],[[5,6],[7,8]]])
print(data.shape)
print(type(data.shape))
print(data.shape[0])
输出:
(2, 2, 2)
2
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