本书运用现代工具对计算机科学进行传统的介绍。给学生介绍一种易于实践、使人满足并且需要不断深入才能掌握的活动，即编程,编程始终是计算机科学的核心主题。因此，本课程的目的是教学生怎样编写程序。 -Book introduction to the traditional use of modern tools of computer science. To introduce students to an easy practice, people to meet, and the deepening of the activities to master programming, programming has always been the core theme of computer science. Therefore, the purpose of this course is to teach students how to write programs.