How increment filename in python(openCV) [duplicate]

问题

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Creating a new file, filename contains loop variable, python (4 answers)

How can I concatenate str and int objects? (4 answers)

Closed 19 days ago.

for example. after write the video

 out = cv2.VideoWriter('video.avi', fourcc, fps, (int(width), int(height))) 

it saves a file with the name "video", I wanted that the next time I run it save the next video as video1 etc ...

来源：https://stackoverflow.com/questions/60907884/how-increment-filename-in-pythonopencv