初学者计算机逻辑启蒙语言hl。使初学者避开各种复杂的概念轻松掌握对变量、表达式、顺序、分支、循环和函数等基本设计概念 2.3版禁止函数的嵌套定义-beginners computer language also acknowledge the logic of the Enlightenment. So that beginners away from the complex easy grasp of the concept of variable expression, sequence