Array的创建和访问 import numpy as np # create from python list list_1 = [1, 2, 3, 4] list_1 [1, 2, 3, 4] array_1 = np.array(list_1) # 一维数组 array_1 array([1, 2, 3, 4]) list_2 = [5, 6, 7, 8] array_2 =