the symbol that you see is called prompt whenever you see thisit means that python is waiting for you to give it some instructions interactive quiz this comes with free online quiz to check your learning progress you can access the quiz using your phone or computer at the following web addressrealpython com/quizzes/pybasics-setup now that you have python installedlet' get straight into writing your first python programgo ahead and move on to macos follow these steps to install python and open idle on macos important the code in this book is tested only against python installed as described in this section be aware that if you have installed python through some other meanssuch as anaconda pythonyou may encounter problems when running some of the code examples install python to install the latest version of python on macosdownload and run the official installer from the python org website step download the python installer open web browser and navigate to the following url