s. Some topics like <tt>try</tt> and
<tt>except</tt> are pulled forward and presented as part of the chapter
on conditionals. Functions are given very light treatment until 
they are needed to handle program complexity rather introduced 
as an early lesson in abstraction. Nearly all user-defined functions
have been removed from the example code and exercises outside Chapter 4.
The word "recursion"<sup><a name="text1" href="#note1">1</a></sup>
does not appear in the book at all.<br />
<br />
In chapters 1 an