projects / OpenSPARC-T2-DV / blame
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| 53 | ||
| 54 | <H1><A NAME="SECTION0010400000000000000000"></A><A NAME="expression-input"></A> | |
| 55 | <a id='l2h-626' xml:id='l2h-626'></a> | |
| 56 | <BR> | |
| 57 | 8.4 Expression input | |
| 58 | </H1> | |
| 59 | ||
| 60 | <P> | |
| 61 | There are two forms of expression input. Both ignore leading | |
| 62 | whitespace. | |
| 63 | The string argument to <tt class="function">eval()</tt> must have the following form: | |
| 64 | <a id='l2h-627' xml:id='l2h-627'></a> | |
| 65 | <P> | |
| 66 | <dl><dd class="grammar"> | |
| 67 | <div class="productions"> | |
| 68 | <table> | |
| 69 | <tr> | |
| 70 | <td><a id='tok-eval_input' xml:id='tok-eval_input'>eval_input</a></td> | |
| 71 | <td>::=</td> | |
| 72 | <td><a class='grammartoken' href="exprlists.html#tok-expression_list">expression_list</a> NEWLINE*</td></tr> | |
| 73 | </table> | |
| 74 | </div> | |
| 75 | <a class="grammar-footer" | |
| 76 | href="grammar.txt" type="text/plain" | |
| 77 | >Download entire grammar as text.</a> | |
| 78 | </dd></dl> | |
| 79 | ||
| 80 | <P> | |
| 81 | The input line read by <tt class="function">input()</tt> must have the following form: | |
| 82 | <a id='l2h-628' xml:id='l2h-628'></a> | |
| 83 | <P> | |
| 84 | <dl><dd class="grammar"> | |
| 85 | <div class="productions"> | |
| 86 | <table> | |
| 87 | <tr> | |
| 88 | <td><a id='tok-input_input' xml:id='tok-input_input'>input_input</a></td> | |
| 89 | <td>::=</td> | |
| 90 | <td><a class='grammartoken' href="exprlists.html#tok-expression_list">expression_list</a> NEWLINE</td></tr> | |
| 91 | </table> | |
| 92 | </div> | |
| 93 | <a class="grammar-footer" | |
| 94 | href="grammar.txt" type="text/plain" | |
| 95 | >Download entire grammar as text.</a> | |
| 96 | </dd></dl> | |
| 97 | ||
| 98 | <P> | |
| 99 | Note: to read `raw' input line without interpretation, you can use the | |
| 100 | built-in function <tt class="function">raw_input()</tt> or the <tt class="method">readline()</tt> method | |
| 101 | of file objects. | |
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| 112 | <tr> | |
| 113 | <td class='online-navigation'><a rel="prev" title="8.3 Interactive input" | |
| 114 | href="interactive.html"><img src='../icons/previous.png' | |
| 115 | border='0' height='32' alt='Previous Page' width='32' /></A></td> | |
| 116 | <td class='online-navigation'><a rel="parent" title="8. Top-level components" | |
| 117 | href="top-level.html"><img src='../icons/up.png' | |
| 118 | border='0' height='32' alt='Up One Level' width='32' /></A></td> | |
| 119 | <td class='online-navigation'><a rel="next" title="A. History and License" | |
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| 121 | border='0' height='32' alt='Next Page' width='32' /></A></td> | |
| 122 | <td align="center" width="100%">Python Reference Manual</td> | |
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| 124 | href="contents.html"><img src='../icons/contents.png' | |
| 125 | border='0' height='32' alt='Contents' width='32' /></A></td> | |
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| 127 | border='0' height='32' alt='' width='32' /></td> | |
| 128 | <td class='online-navigation'><a rel="index" title="Index" | |
| 129 | href="genindex.html"><img src='../icons/index.png' | |
| 130 | border='0' height='32' alt='Index' width='32' /></A></td> | |
| 131 | </tr></table> | |
| 132 | <div class='online-navigation'> | |
| 133 | <b class="navlabel">Previous:</b> | |
| 134 | <a class="sectref" rel="prev" href="interactive.html">8.3 Interactive input</A> | |
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| 136 | <a class="sectref" rel="parent" href="top-level.html">8. Top-level components</A> | |
| 137 | <b class="navlabel">Next:</b> | |
| 138 | <a class="sectref" rel="next" href="node105.html">A. History and License</A> | |
| 139 | </div> | |
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| 142 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> | |
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