python数据写入列表并导出折线图 python数据写入列表并导出折线

【python数据写入列表并导出折线图】
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import csvdatas = [['商品名称','周一销售','周二销售','周三销售','周四销售','周五销售','周六销售','周日销售'],['洗衣机', '2', '1', '2', '3','2','4','5'],['冰箱', '1', '2', '3', '2', '4', '5', '4'],['空调', '3', '4', '3', '4', '3', '6', '5']]# '商品名称','周一销售','周二销售' ,'周三销售','周四销售','周五销售','周六销售','周日销售'#'洗衣机', '2', '1', '2', '3','2','4','5'#'冰箱', '1', '2', '3', '2', '4', '5', '4'#'空调', '3', '4', '3', '4', '3', '6', '5'#要改成你自己当前工程所在的路径且创建对应的文件#['1', '2', '3', '2', '4', '5', '4'],with open('D:/Users/admin/PycharmProjects/pythonProject/sale.csv', 'w', newline='') as csvfile:writer = csv.writer(csvfile)for row in datas:writer.writerow(row)

生成折线图：

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import matplotlib.pyplot as pltimport numpy as npimport matplotlib.pyplot as pltplt.rcParams['font.sans-serif'] = ['SimHei']# 显示中文标签plt.rcParams['axes.unicode_minus'] = False# 这两行需要手动设置x,y=np.loadtxt("D:/Users/admin/PycharmProjects/pythonProject/example_csv.txt",delimiter=",",unpack=True)plt.plot(x,y,label="空调销售数量")plt.xlabel("x")plt.ylabel("y")plt.title("销售折线图")plt.legend()plt.show()