创建np对象
import numpy as np
arr = np.array(['a','b','c','d','e'])
print(arr)
print(type(arr))
np数组索引
arr = np.array(['a','b','c','d','e'])
arr1= np.array([[1,2],[3,4]])
print(arr)
print(arr1[0,1])
print(type(arr))
数组切割
[start
标签：arr,索引,print,数组,np,array,numpy From： https://www.cnblogs.com/braveman1021/p/16999176.html