['a','b','c'],
[7,8,9]]
print(a[2][1])
我举个简单的例子:
取出含有元素0的所有行
import numpy as npx = np.array([[1,2,3,4,0],[2,3,4,5,6],[0,1,2,3,4]])
b=[]
for row in x:
for i in row:
if i==0:
b.append(row)
print b
PS G:\Python learning-Q>python exbaidu.py
[array([1, 2, 3, 4, 0]), array([0, 1, 2, 3, 4])]