<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>2.2.6.3 XRange Type </title> <META NAME="description" CONTENT="2.2.6.3 XRange Type "> <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="next" href="typesseq-mutable.html"> <LINK REL="previous" href="typesseq-strings.html"> <LINK REL="up" href="typesseq.html"> <LINK REL="next" href="typesseq-mutable.html"> </head> <body> <DIV CLASS="navigation"> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="typesseq-strings.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="typesseq.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A href="typesseq-mutable.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="typesseq-strings.html">2.2.6.2 String Formatting Operations</A> <b class="navlabel">Up:</b> <a class="sectref" href="typesseq.html">2.2.6 Sequence Types</A> <b class="navlabel">Next:</b> <a class="sectref" href="typesseq-mutable.html">2.2.6.4 Mutable Sequence Types</A> <br><hr> </DIV> <!--End of Navigation Panel--> <H3><A NAME="SECTION004263000000000000000"> </A> <BR> 2.2.6.3 XRange Type </H3> <P> The xrange<a name="l2h-148"> </a>type is an immutable sequence which is commonly used for looping. The advantage of the xrange type is that an xrange object will always take the same amount of memory, no matter the size of the range it represents. There are no consistent performance advantages. <P> XRange objects have very little behavior: they only support indexing and the <tt class="function">len()</tt> function. <P> <DIV CLASS="navigation"> <p><hr> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="typesseq-strings.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="typesseq.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A href="typesseq-mutable.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="typesseq-strings.html">2.2.6.2 String Formatting Operations</A> <b class="navlabel">Up:</b> <a class="sectref" href="typesseq.html">2.2.6 Sequence Types</A> <b class="navlabel">Next:</b> <a class="sectref" href="typesseq-mutable.html">2.2.6.4 Mutable Sequence Types</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>
