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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 26

Spreadsheet

image

26.1 Constraints

  • The problem is modeled like a spreadsheet, with columns of data and formulas.
  • Some data depends on other data according to formulas. When data changes, the dependent data also changes automatically.

26.2 A Program in this Style

  1 #!/usr/bin/env python
  2 import sys, re, itertools, operator
  3
  4 #
  5 # The columns. Each column is a data element and a formula.
  6 # The first 2 columns are the input data, so no formulas.
  7 #
  8 all_words = [(), None]
  9 stop_words = [(), None]
 10 non_stop_words = [(), lambda : \
 11      map(lambda w : \
 12      w if w not in stop_words[0] else '',\
 13       all_words[0])]
 14 unique_words = ...
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Publisher Resources

ISBN: 9781482227376