https://blog.csdn.net/hustqb/article/details/78090365
import numpy as np
if __name__ == '__main__':
a=[1,2,3,4]
A=np.append(a,a) #给数组的一行进行扩增
print(A)
A=np.append([a],[a],axis=0) #给数组扩充一行
print(A)
输出:
[1 2 3 4 1 2 3 4]
[[1 2 3 4]
[1 2 3 4]]