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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_args():
 """ request the arguments for running """

    ap = argparse.ArgumentParser(description="Create frames for a movie that can be compiled using ffmpeg")
    ap.add_argument("start", help="date string as start time")
    ap.add_argument("end", help="date string as end time")
    ap.add_argument("step", type=float, help="fraction of a day to step by")
    ap.add_argument("--config", help="path to a config file", default="config.json")
    return ap.parse_args()