标签： python
数据：[0.1,0.2,0.7,0.0,0.0],[0.2,0.1,0.7,0.0,0.0],[0.3,0.4,0.3.0,0,0.0],[0.6,0.2,0.2,0.0,0.0]
[0.1,0.2,0.7,0.0,0.0],[0.2,0.1,0.7,0.0,0.0],[0.3,0.4,0.3.0,0,0.0],[0.6,0.2,0.2,0.0,0.0]
结果（像这样）：[0.2,0.7,0.1,0.0,0.0]，
[0.2,0.7,0.1,0.0,0.0]
条件：K尽可能小
如何将一堆向量组装成一个特定的向量？