python实现将一维列表转换为多维列表(numpy+reshape)

#!D:/workplace/python
# -*- coding: utf-8 -*-
# @File : numpy_reshape.py
# @Author: WangYe
# @Date : 2018/7/23
# @Software: PyCharm
import numpy
a=[1,2,3,1,4,5,5846,464,64,456,456,4]
print(a)
b=numpy.array(a).reshape(len(a),1)  # reshape(列的长度，行的长度)
print(b) #转换为二维矩阵
print('b的形状是'+numpy.shape(b)) #12行1列

D:\anaconda3\python.exe D:/workplace/python/TEST/numpy_reshape.py
[1, 2, 3, 1, 4, 5, 5846, 464, 64, 456, 456, 4]
[[  1]
 [  2]
 [  3]
 [  1]
 [  4]
 [  5]
 [5846]
 [ 464]
 [ 64]
 [ 456]
 [ 456]
 [  4]]
(12, 1)