[ 5, 6],
[10, 11]])
# 右侧超出范围之后
In [57]: arr[:,0:100]
Out[57]:
array([[ 0, 1, 2, 3, 4],...[ 5, 6, 7, 8, 9],
[10, 11, 12, 13, 14]])
# 左侧超出范围之后
In [62]: arr[:,-10:2]
Out[62]...[73]: arr[:,1]
Out[73]:
array([[ 5, 6, 7, 8, 9],
[20, 21, 22, 23, 24]])
# 异常指出 axis = 1 超出范围..., 16],
[20, 21],
[25, 26]]])
In [79]: arr[:,:,0:2].shape
Out[79]: (2, 3, 2)
# 左/右侧超出范围...,取值或赋值时,别太自信了,千万小心错误,需要大量的测试。