摘要： 4.3Questions of Style 关于风格 Programming is as much an art as a science（编程作为一门像艺术一样的科学）. The undisputed "bible" of programming, a 2,500 page multi-volume work by Donald Knuth, is calledThe Art of Computer Programming. Many books have been written onLiterate Programming, recognizing that huma 阅读全文

摘要： 4.2Sequences序列 So far, we have seen two kinds of sequence object: strings and lists. Another kind of sequence is called atuple. Tuples are formed with the comma operator, and typically enclosed using parentheses. We've actually seen them in the previous chapters, and sometimes referred to them a 阅读全文