Mastering OpenCV 4 with Python

Questions

1. What is sys.argv[1]?
2. Write a piece of code to add a first_number argument of the int type and include the help first number to be added using parser.add_argument().
3. Write a piece of code to save the imagine img to disk with the name image.png.
4. Create the capture object using cv2.VideoCapture() to read from the first camera that's connected to your computer.
5. Create the object capture using cv2.VideoCapture() to read from the first camera connected to your computer and print the CAP_PROP_FRAME_WIDTH property.
6. Read an image and save it to disk with the same name but ending in _copy.png (for example, logo_copy.png).
7. Create a script (read_video_file_backwards_save_video.py) that loads a video file and creates another played backwards ...