>>25553
Ensure you read comments until line 36 in the pastebin. You need to have an image file that you want to mangle, it needs to be named bantest.png or you need to change line 30 to match the name of the file you want to use, simple names as there is no error checking in there yet. So from a folder (pref that folder is simple named, and in the root [ie c:\qimg] in that folder you need the saved script file and the saved image to magle. In cmd/terminal ensure you are also in the same folder, then run:
python qimg5.py (or whatever you called it, does not really matter) and in that same folder you would get a new image called nobanbantest.png (change the new file prefix in line 33 if you want). Each time this is run the output image should be slightly different. You can play with options like line 24, 27.
What I see is that you started python in interactive mode. Probably used -v not -V. we are running python and specifying the script, not starting python then loading the script interactively.
Give it more cracks, this anon is about for a bit longer before sleep fagging.