<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>5.8.1 Example</title> <META NAME="description" CONTENT="5.8.1 Example"> <META NAME="keywords" CONTENT="lib"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <meta http-equiv="Content-Type" content="text/html; charset="> <link rel="STYLESHEET" href="lib.css"> <link rel="first" href="lib.html"> <link rel="contents" href="contents.html" title="Contents"> <link rel="index" href="genindex.html" title="Index"> <LINK REL="previous" href="module-bisect.html"> <LINK REL="up" href="module-bisect.html"> <LINK REL="next" href="module-array.html"> </head> <body> <DIV CLASS="navigation"> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="module-bisect.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="module-bisect.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A href="module-array.html"><img src="../icons/next.gif" border="0" height="32" alt="Next Page" width="32"></A></td> <td align="center" width="100%">Python Library Reference</td> <td><A href="contents.html"><img src="../icons/contents.gif" border="0" height="32" alt="Contents" width="32"></A></td> <td><a href="modindex.html" title="Module Index"><img src="../icons/modules.gif" border="0" height="32" alt="Module Index" width="32"></a></td> <td><A href="genindex.html"><img src="../icons/index.gif" border="0" height="32" alt="Index" width="32"></A></td> </tr></table> <b class="navlabel">Previous:</b> <a class="sectref" href="module-bisect.html">5.8 bisect </A> <b class="navlabel">Up:</b> <a class="sectref" href="module-bisect.html">5.8 bisect </A> <b class="navlabel">Next:</b> <a class="sectref" href="module-array.html">5.9 array </A> <br><hr> </DIV> <!--End of Navigation Panel--> <H2><A NAME="SECTION007810000000000000000"> 5.8.1 Example</A> </H2> <P> The <tt class="function">bisect()</tt> function is generally useful for categorizing numeric data. This example uses <tt class="function">bisect()</tt> to look up a letter grade for an exam total (say) based on a set of ordered numeric breakpoints: 85 and up is an `A', 75..84 is a `B', etc. <P> <dl><dd><pre class="verbatim"> >>> grades = "FEDCBA" >>> breakpoints = [30, 44, 66, 75, 85] >>> from bisect import bisect >>> def grade(total): ... return grades[bisect(breakpoints, total)] ... >>> grade(66) 'C' >>> map(grade, [33, 99, 77, 44, 12, 88]) ['E', 'A', 'B', 'D', 'F', 'A'] </pre></dl> <DIV CLASS="navigation"> <p><hr> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="module-bisect.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="module-bisect.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A href="module-array.html"><img src="../icons/next.gif" border="0" height="32" alt="Next Page" width="32"></A></td> <td align="center" width="100%">Python Library Reference</td> <td><A href="contents.html"><img src="../icons/contents.gif" border="0" height="32" alt="Contents" width="32"></A></td> <td><a href="modindex.html" title="Module Index"><img src="../icons/modules.gif" border="0" height="32" alt="Module Index" width="32"></a></td> <td><A href="genindex.html"><img src="../icons/index.gif" border="0" height="32" alt="Index" width="32"></A></td> </tr></table> <b class="navlabel">Previous:</b> <a class="sectref" href="module-bisect.html">5.8 bisect </A> <b class="navlabel">Up:</b> <a class="sectref" href="module-bisect.html">5.8 bisect </A> <b class="navlabel">Next:</b> <a class="sectref" href="module-array.html">5.9 array </A> <hr> <span class="release-info">Release 2.2, documentation updated on December 21, 2001.</span> </DIV> <!--End of Navigation Panel--> <ADDRESS> See <i><a href="about.html">About this document...</a></i> for information on suggesting changes. </ADDRESS> </BODY> </HTML>
