>>>from compiler.ast import flatten
>>>X
matrix([[ 1, 17, 13, 221, 289, 169],
[ 1, 17, 14, 238, 289, 196],
[ 1, 17, 15, 255, 289, 225],
[ 1, 18, 13, 234, 324, 169],
[ 1, 18, 14, 252, 324, 196],
[ 1, 18, 15, 270, 324, 225],
[ 1, 19, 13, 247, 361, 169],
[ 1, 19, 14, 266, 361, 196],
[ 1, 19, 15, 285, 361, 225]])
>>>x = X.tolist()
>>>x
[[ 1, 17, 13, 221, 289, 169],
[ 1, 17, 14, 238, 289, 196],
[ 1, 17, 15, 255, 289, 225],
[ 1, 18, 13, 234, 324, 169],
[ 1, 18, 14, 252, 324, 196],
[ 1, 18, 15, 270, 324, 225],
[ 1, 19, 13, 247, 361, 169],
[ 1, 19, 14, 266, 361, 196],
[ 1, 19, 15, 285, 361, 225]]
>>>xx = flatten(x) (或者x.ravel() )
>>>xx
[1,
17,
13,
221,
289,
169,
1,
17,
14,
238,
289,
196,
1,
17,
15,
255,
289,
225,
1,
18,
13,
234,
324,
169,
1,
18,
14,
252,
324,
196,
1,
18,
15,
270,
324,
225,
1,
19,
13,
247,
361,
169,
1,
19,
14,
266,
361,
196,
1,
19,
15,
285,
361,
225]
