https://pyimagesearch.com/2016/10/03/bubble-sheet-multiple-choice-scanner-and-test-grader-using-omr-python-and-opencv/
Jun 9, 2023 - Discover how to build a bubble sheet multiple choice scanner and test grader using Optical Mark Recognition (OMR) along with Python, OpenCV, computer vision
bubble sheetmultiple choicescannertestgrader
https://bubble.io/plugin/google-sheet-get-insert--update-1663938003776x932115872220446700
Google Sheet Get, Insert & Update Plugin page on Bubble. Use this plugin to speed up your app development. Bubble lets you build web apps without any code.
google sheetgetinsertupdateplugin