How to find individual characters in an image and save them to a separate file?

Question

Python

I wrote a simple neural network to recognize individual characters (numbers and letters) in an image. I want her to recognize the license plate on the car. How can I find individual characters in an image and save each of them to a separate file?
Source image:

Found symbols:

Each symbol separately in the file:

Answer 1

Content writers on a toaster write the same moronic questions as content writers on a Russian stackoverflo.
It seems that this neural network generates questions from the textbook, and not living people ask them.