Lesser-known feature of Pickle Files

Pickles are widely used to dump data objects to disk. But folks often dump just a single object into a pickle file. Moreover, one creates multiple pickles to store multiple objects.

However, did you know that you can store as many objects as you want within a single pickle file? What's more, when reloading, it is not necessary to load all the objects.

Just make sure to dump the objects within the same context manager (using 𝐰𝐢𝐭𝐡).

Of course, one solution is to store the objects together as a tuple. But while reloading, the entire tuple will be loaded. This may not be desired in some cases.

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I like to explore, experiment and write about data science concepts and tools. You can read my articles on Medium. Also, you can connect with me on LinkedIn.