[http://mitpress.mit.edu/sicp/full-text/book/book.html Structure and Interpretation of Computer Programs, 2nd Edition]这本书中的Lisp代码用Python语言重新实现后写在这里，主要目的是供使用Python的人学习函数式编程作参考。
Building Abstractions with Procedures
Include(/SICP的Python实现1.1) Include(/SICP的Python实现1.2) Include(/SICP的Python实现1.3)
Building Abstractions with Data
Modularity, Objects, and State
Metalinguistic Abstraction