Learn to the simplest and most powerful UI ever invented, the command-line. This book teaches you the skills to master creating Python command line tools using the Click framework.Chapter 1: Getting Started with ClickChapter 2: Understanding IPythonChapter Three: Testing with ClickChapter 4: Integrating Linux Commands with ClickChapter 5: Writing pure Bash or ZSH command-line toolsChapter 6: Using Click subcommandsChapter 7: Turbocharging Click with Numba High-Performance libraryChapter 8: Integrating AWS Lambda and ClickChapter 9: Case StudiesChapter 10:War Stories