CFDPython lessons Text provided under a Creative Commons Attribution license, CC-BY. All code is made available under the FSF-approved BSD-3 license. (c) Lorena A. Barba, Gilbert F. Forsyth 2017. Thanks to NSF for support via CAREER award #1149784. Hello! Welcome to the 12 steps to Navier–Stokes. This is a practical module that is used in the beginning of an interactive Computational Fluid Dynamic