name 'array' is not defined 解决办法
>>> a = array([[1,2,3],[0,0,0],[-1,-2,-3],[2,2,2]])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'array' is not defined
先调包
import nimpy as np
from np import *
a = array([[1,2,3],[0,0,0],[-1,-2,-3],[2,2,2]])