Python_25_Udacity_Evans_Intro to

<a href="http://www.jianshu.com/p/54870e9541fc">总目录</a>

课程页面：https://www.udacity.com/course/intro-to-computer-science--cs101
授课教师：Dave Evans https://www.cs.virginia.edu/~evans/
如下内容包含课程笔记和自己的扩展折腾

CS的几个特征：

• abstraction: hiding details
• universality:
  • way to make decisions: if
  • way to keep track: variables, data
  • way to keep going: while, recursion
• recursive definitions

What is CS?

• Engineering
• Science
• Liberal Art
  • Trivium, about language
    • Grammar
    • Rhetoric
    • Logic
  • Quadrivium, about number
    • Arithmetic
    • Geometry
    • Music
    • Astronomy