interactive quizzes most in this book come with free online quiz to check your learning progress you can access the quizzes using the links provided at the end of the the quizzes are hosted on the real python website and can be viewed on your phone or computer each quiz takes you through series of questions related to particular in the book some of them are multiple choicesome will ask you to type in an answerand some will require you to write actual python code as you make your way through each quizit will keep score of which questions you answered correctly at the end of the quizyou'll receive grade based on your result if you don' score percent on your first trydon' fretthese quizzes are meant to challenge you it' expected that you'll go through them several timesimproving your score with each run exercises code repository this book has an accompanying code repository on the web containing example source code as well as the answers to exercises and code challenges the repository is broken up by so you can check your code against the solutions provided by us after you finish each here' the linkrealpython com/python-basics/exercises note the code found in this book has been tested with python on windowsmacosand linux