Today, constants in Python are mostly a matter of convention. Using a name that’s in all-caps and snake case — e.g., DO_NOT_RESTART — is a hint that the variable is intended to be a constant.

Python 3.14, named after a famous irrational constant, has arrived in preview. Plus new goodness in Cython 3.1, using Python’s structural pattern matching, querying the NanoCube, and more.

When you are ready to start doing calculations, you will need to use constants. Instead of remembering them or using them with potential typos, Astropy includes a complete list of all the standard ...