This problem deals with detecting handwritten digits in images. The goal is to write a function that takes in an image of a handwritten digit and outputs the corresponding numerical digit.
About this solution: The candidate's solution demonstrates a level of completeness and solves the problem. The approach is to use a neural network, which is a good approach. The candidate provides details on how the neural network will be trained and how it will work. The candidate also mentions the advantages of using a neural network, such as the high accuracy and speed.