Python’s pickle module provides a way to serialize and deserialize Python data structures—for instance, to allow a dictionary to be saved as-is to a file and reloaded later.

This project uses Python's built-in pickle module to store and retrieve book objects. This means your book data is saved in a binary file (named books.pkl by default), making it easy to persist your ...

A few steps that you can take: Provide your Python version here (that should be in the issue template, sorry for missing that in the template), Try to "read" the file with something like python -m ...