| 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> |
| 2 | <html> |
| 3 | <head> |
| 4 | <link rel="STYLESHEET" href="ref.css" type='text/css' /> |
| 5 | <link rel="SHORTCUT ICON" href="../icons/pyfav.png" type="image/png" /> |
| 6 | <link rel='start' href='../index.html' title='Python Documentation Index' /> |
| 7 | <link rel="first" href="ref.html" title='Python Reference Manual' /> |
| 8 | <link rel='contents' href='contents.html' title="Contents" /> |
| 9 | <link rel='index' href='genindex.html' title='Index' /> |
| 10 | <link rel='last' href='about.html' title='About this document...' /> |
| 11 | <link rel='help' href='about.html' title='About this document...' /> |
| 12 | <link rel="next" href="continue.html" /> |
| 13 | <link rel="prev" href="raise.html" /> |
| 14 | <link rel="parent" href="simple.html" /> |
| 15 | <link rel="next" href="continue.html" /> |
| 16 | <meta name='aesop' content='information' /> |
| 17 | <title>6.10 The break statement </title> |
| 18 | </head> |
| 19 | <body> |
| 20 | <DIV CLASS="navigation"> |
| 21 | <div id='top-navigation-panel' xml:id='top-navigation-panel'> |
| 22 | <table align="center" width="100%" cellpadding="0" cellspacing="2"> |
| 23 | <tr> |
| 24 | <td class='online-navigation'><a rel="prev" title="6.9 The raise statement" |
| 25 | href="raise.html"><img src='../icons/previous.png' |
| 26 | border='0' height='32' alt='Previous Page' width='32' /></A></td> |
| 27 | <td class='online-navigation'><a rel="parent" title="6. Simple statements" |
| 28 | href="simple.html"><img src='../icons/up.png' |
| 29 | border='0' height='32' alt='Up One Level' width='32' /></A></td> |
| 30 | <td class='online-navigation'><a rel="next" title="6.11 The continue statement" |
| 31 | href="continue.html"><img src='../icons/next.png' |
| 32 | border='0' height='32' alt='Next Page' width='32' /></A></td> |
| 33 | <td align="center" width="100%">Python Reference Manual</td> |
| 34 | <td class='online-navigation'><a rel="contents" title="Table of Contents" |
| 35 | href="contents.html"><img src='../icons/contents.png' |
| 36 | border='0' height='32' alt='Contents' width='32' /></A></td> |
| 37 | <td class='online-navigation'><img src='../icons/blank.png' |
| 38 | border='0' height='32' alt='' width='32' /></td> |
| 39 | <td class='online-navigation'><a rel="index" title="Index" |
| 40 | href="genindex.html"><img src='../icons/index.png' |
| 41 | border='0' height='32' alt='Index' width='32' /></A></td> |
| 42 | </tr></table> |
| 43 | <div class='online-navigation'> |
| 44 | <b class="navlabel">Previous:</b> |
| 45 | <a class="sectref" rel="prev" href="raise.html">6.9 The raise statement</A> |
| 46 | <b class="navlabel">Up:</b> |
| 47 | <a class="sectref" rel="parent" href="simple.html">6. Simple statements</A> |
| 48 | <b class="navlabel">Next:</b> |
| 49 | <a class="sectref" rel="next" href="continue.html">6.11 The continue statement</A> |
| 50 | </div> |
| 51 | <hr /></div> |
| 52 | </DIV> |
| 53 | <!--End of Navigation Panel--> |
| 54 | |
| 55 | <H1><A NAME="SECTION0081000000000000000000"></A><A NAME="break"></A> |
| 56 | <BR> |
| 57 | 6.10 The <tt class="keyword">break</tt> statement |
| 58 | </H1> |
| 59 | <a id='l2h-517' xml:id='l2h-517'></a> |
| 60 | <P> |
| 61 | <dl><dd class="grammar"> |
| 62 | <div class="productions"> |
| 63 | <table> |
| 64 | <tr> |
| 65 | <td><a id='tok-break_stmt' xml:id='tok-break_stmt'>break_stmt</a></td> |
| 66 | <td>::=</td> |
| 67 | <td>"break"</td></tr> |
| 68 | </table> |
| 69 | </div> |
| 70 | <a class="grammar-footer" |
| 71 | href="grammar.txt" type="text/plain" |
| 72 | >Download entire grammar as text.</a> |
| 73 | </dd></dl> |
| 74 | |
| 75 | <P> |
| 76 | <tt class="keyword">break</tt> may only occur syntactically nested in a <tt class="keyword">for</tt> |
| 77 | or <tt class="keyword">while</tt> loop, but not nested in a function or class definition |
| 78 | within that loop. |
| 79 | <a id='l2h-518' xml:id='l2h-518'></a><a id='l2h-519' xml:id='l2h-519'></a><a id='l2h-520' xml:id='l2h-520'></a> |
| 80 | <P> |
| 81 | It terminates the nearest enclosing loop, skipping the optional |
| 82 | <tt class="keyword">else</tt> clause if the loop has one. |
| 83 | <a id='l2h-521' xml:id='l2h-521'></a> |
| 84 | <P> |
| 85 | If a <tt class="keyword">for</tt> loop is terminated by <tt class="keyword">break</tt>, the loop control |
| 86 | target keeps its current value. |
| 87 | <a id='l2h-522' xml:id='l2h-522'></a> |
| 88 | <P> |
| 89 | When <tt class="keyword">break</tt> passes control out of a <tt class="keyword">try</tt> statement |
| 90 | with a <tt class="keyword">finally</tt> clause, that <tt class="keyword">finally</tt> clause is executed |
| 91 | before really leaving the loop. |
| 92 | <a id='l2h-523' xml:id='l2h-523'></a> |
| 93 | <P> |
| 94 | |
| 95 | <DIV CLASS="navigation"> |
| 96 | <div class='online-navigation'> |
| 97 | <p></p><hr /> |
| 98 | <table align="center" width="100%" cellpadding="0" cellspacing="2"> |
| 99 | <tr> |
| 100 | <td class='online-navigation'><a rel="prev" title="6.9 The raise statement" |
| 101 | href="raise.html"><img src='../icons/previous.png' |
| 102 | border='0' height='32' alt='Previous Page' width='32' /></A></td> |
| 103 | <td class='online-navigation'><a rel="parent" title="6. Simple statements" |
| 104 | href="simple.html"><img src='../icons/up.png' |
| 105 | border='0' height='32' alt='Up One Level' width='32' /></A></td> |
| 106 | <td class='online-navigation'><a rel="next" title="6.11 The continue statement" |
| 107 | href="continue.html"><img src='../icons/next.png' |
| 108 | border='0' height='32' alt='Next Page' width='32' /></A></td> |
| 109 | <td align="center" width="100%">Python Reference Manual</td> |
| 110 | <td class='online-navigation'><a rel="contents" title="Table of Contents" |
| 111 | href="contents.html"><img src='../icons/contents.png' |
| 112 | border='0' height='32' alt='Contents' width='32' /></A></td> |
| 113 | <td class='online-navigation'><img src='../icons/blank.png' |
| 114 | border='0' height='32' alt='' width='32' /></td> |
| 115 | <td class='online-navigation'><a rel="index" title="Index" |
| 116 | href="genindex.html"><img src='../icons/index.png' |
| 117 | border='0' height='32' alt='Index' width='32' /></A></td> |
| 118 | </tr></table> |
| 119 | <div class='online-navigation'> |
| 120 | <b class="navlabel">Previous:</b> |
| 121 | <a class="sectref" rel="prev" href="raise.html">6.9 The raise statement</A> |
| 122 | <b class="navlabel">Up:</b> |
| 123 | <a class="sectref" rel="parent" href="simple.html">6. Simple statements</A> |
| 124 | <b class="navlabel">Next:</b> |
| 125 | <a class="sectref" rel="next" href="continue.html">6.11 The continue statement</A> |
| 126 | </div> |
| 127 | </div> |
| 128 | <hr /> |
| 129 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> |
| 130 | </DIV> |
| 131 | <!--End of Navigation Panel--> |
| 132 | <ADDRESS> |
| 133 | See <i><a href="about.html">About this document...</a></i> for information on suggesting changes. |
| 134 | </ADDRESS> |
| 135 | </BODY> |
| 136 | </HTML> |