摘要: numpy import numpy as np 向量运算 shop_price = [30, 20, 15, 40] shop_num = [2, 3, 1, 4] np_shop_price = np.array(shop_price) np_shop_num = np.array(shop_n 阅读全文
posted @ 2019-09-20 16:05 水天两色 阅读(1245) 评论(0) 推荐(0) 编辑