These are my go-to libraries for Python data crunching.

The Woman in Black is a ghost story by Susan Hill, in which Arthur Kipps relates his haunting experiences at Eel Marsh House. The tale begins on Christmas Eve, when Arthur's step-children invite him ...

To help draw a straight line graph from its equation, fill in a table of 𝑥 and 𝑦 values. Plot the pairs of values as coordinates and join to make a line. Make sure you are confident with ...

Everything runs offline and deterministically — there is no network access, and SymPy's canonical string output is stable, so the same input always gives the same answer. That determinism is what ...