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Exercises in Programming Style
book

Exercises in Programming Style

by Cristina Videira Lopes
November 2015
Intermediate to advanced content levelIntermediate to advanced
304 pages
5h 23m
English
Chapman and Hall/CRC
Content preview from Exercises in Programming Style

Chapter 6

Code Golf

image

6.1 Constraints

  • As few lines of code as possible.

6.2 A Program in this Style

 1 #!/usr/bin/env python
 2 import re, sys, collections
 3
 4 stops = open('../stop_words.txt').read().split(',')
 5 words = re.findall('[a-z]{2,}', open(sys.argv[1]).read().lower())
 6 counts = collections.Counter(w for w in words if w not in stops)
 7 for (w, c) in counts.most_common(25):
 8 print w, '-', c

6.3 Commentary

THE MAIN CONCERN of this style is brevity. The goal is to implement the program's functionality in as few lines of code as possible. This is usually achieved by using advanced features of the programming language and its libraries. ...

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Publisher Resources

ISBN: 9781482227376