Chapter 4. Arrays

Works of art, in my opinion, are the only objects in the material universe to possess internal order, and that is why, though I don't believe that only art matters, I do believe in Art for Art's sake.

—E.M. Forster

			Introduction
			Recipe 4.1.  Specifying a List in Your Program
			Recipe 4.2.  Printing a List with Commas
			Recipe 4.3.  Changing Array Size
			Recipe 4.4.  Implementing a Sparse Array
			Recipe 4.5.  Iterating Over an Array
			Recipe 4.6.  Iterating Over an Array by Reference
			Recipe 4.7.  Extracting Unique Elements from a List
			Recipe 4.8.  Finding Elements in One Array but Not Another
			Recipe 4.9.  Computing Union, Intersection, or Difference of Unique Lists
			Recipe 4.10.  Appending One Array to Another
			Recipe 4.11.  Reversing an Array
			Recipe 4.12.  Processing Multiple Elements of an Array
			Recipe 4.13.  Finding the First List Element That Passes a Test
			Recipe 4.14.  Finding All Elements in an Array Matching Certain Criteria
			Recipe 4.15.  Sorting an Array Numerically
			Recipe 4.16.  Sorting a List by Computable Field
			Recipe 4.17.  Implementing a Circular List
			Recipe 4.18.  Randomizing an Array
			Recipe 4.19.  Program: words
			Recipe 4.20.  Program: permute