命令行参数在python中不起作用

Question

-A_Z_Handheld Data.csv：Kaggle A-Z数据集的路径（第3行和第4行） --HandWritingRecognition：输出经过训练的手写识别模型的路径（第5行和第6行）

---

# construct the argument parser and parse the arguments
    ap = argparse.ArgumentParser()
    ap.add_argument("-a", "--A_Z_Handwritten Data.csv", required=True,
        help="path to A-Z dataset")
    ap.add_argument("-m", "--HandWritingRecognition", type=str, required=True,
        help="path to output trained handwriting recognition mode")
    # ap.add_argument("-p", "--plot", type=str, default="plot.png",
    #   help="/home/gaurav/Desktop/HandWritingRecognition/")
    args = vars(ap.parse_args())

---

这是错误...！

usage: ipykernel_launcher.py [-h] -a A_Z_HANDWRITTEN DATA.CSV -m
                             HANDWRITINGRECOGNITION
ipykernel_launcher.py: error: the following arguments are required: -a/--A_Z_Handwritten Data.csv, -m/--HandWritingRecognition
An exception has occurred, use %tb to see the full traceback.

SystemExit: 2