A Whirlwind Tour of Python: A Reader's Guide
Jake VanderPlas's fast Python intro — syntax, data structures, and scientific stack entry.
A Whirlwind Tour of Python — concise orientation to Python 3 for programmers with some coding background.
Covers
Types, control flow, functions, modules, intro to NumPy ecosystem pointers.
How to use
Skim then code along — companion to VanderPlas's data science texts.
Good bridge before deeper Python or Jupyter workflows.