The newly approved Python Enhancement Proposal 751 gives Python a standard lock file format for specifying the dependencies of projects. Here’s the what, why, and when.

Python Enhancement Proposal (PEP) 751, accepted March 31, aims to create a new file format for specifying dependencies that is machine-generated and human-readable.

Essentially, dictionaries work a lot like lists. This means you can store lots of data in a single place for easy retrieval. We’ve previously discussed how to use lists in Python here: ...