 on a line by itself. You can also put
comments at the end of a line:
</font><pre><font size="4" color="blue">
percentage = (minute * 100) / 60     # percentage of an hour
</font></pre><font color="black">Everything from the <tt>#</tt> to the end of the line is ignored---it
has no effect on the program.<br />
<br />
Comments are most useful when they document non-obvious features of
the code. It is reasonable to assume that the reader can figure out
<em>what</em> the code does; it is much more useful to exp