from matplotlib import pyplot as plt


def Plt(file):
    filereader = open(file.name, 'r')
    # 可视化
    Loss_list = []
    Accuracy_list = []

    for line in filereader.readlines():
        if line[0:4] == "loss":
            list = line.split()
            # print(list[1])
            Loss_list.append(float(list[1]))
            Accuracy_list.append(float(list[3]))

    print(Loss_list)
    length = len(Loss_list)
    x1 = range(0, length)
    x2 = range(0, length)
    y1 = Accuracy_list
    # y2 = Loss_list[4:]
    y2 = Loss_list
    plt.subplot(2, 1, 1)
    plt.plot(x1, y1)
    plt.title('Test accuracy vs. epoches')
    plt.ylabel('Test accuracy')
    plt.subplot(2, 1, 2)
    plt.plot(x2, y2)
    plt.xlabel('Test loss vs. epoches')
    plt.ylabel('Test loss')
    plt.savefig("result.jpg")
    # plt.show()
    return "result.jpg"