s and the fact that a pizza consists of a set
of one or more slices.<br />
<br />
But if our program is truly about reading data and looking for words in the data,
<tt>pizza</tt> and <tt>slice</tt> are very un-mnemonic variable names. Choosing them 
as variable names distracts from the meaning of the program.<br />
<br />
After a pretty short period of time, you will know the most common reserved words
and you will start to see the reserved words jumping out at you:<tt><br />
<br />
<b>for</b> word <b>in</b