How it works...

Obtaining the video position and setting it is done using the cv2.CAP_PROP_POS_FRAMES property. Depending on the way a video is encoded, setting the property might not result in setting the exact frame index requested. The value to set must be within a valid range. 

You should see the following output after running the program:

Frame count: 182
Position: 0
Position: 1
Position: 100

The following frames should be displayed: