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| 54 | <H2><A NAME="SECTION0051010000000000000000"></A><A NAME="operator-map"></A> |
| 55 | <BR> |
| 56 | 3.10.1 Mapping Operators to Functions |
| 57 | </H2> |
| 58 | |
| 59 | <P> |
| 60 | This table shows how abstract operations correspond to operator |
| 61 | symbols in the Python syntax and the functions in the |
| 62 | <tt class="module"><a href="module-operator.html">operator</a></tt> module. |
| 63 | |
| 64 | <P> |
| 65 | <div class="center"><table class="realtable"> |
| 66 | <thead> |
| 67 | <tr> |
| 68 | <th class="left" >Operation</th> |
| 69 | <th class="center">Syntax</th> |
| 70 | <th class="left" >Function</th> |
| 71 | </tr> |
| 72 | </thead> |
| 73 | <tbody> |
| 74 | <tr><td class="left" valign="baseline">Addition</td> |
| 75 | <td class="center"><code><var>a</var> + <var>b</var></code></td> |
| 76 | <td class="left" ><code>add(<var>a</var>, <var>b</var>)</code></td></tr> |
| 77 | <tr><td class="left" valign="baseline">Concatenation</td> |
| 78 | <td class="center"><code><var>seq1</var> + <var>seq2</var></code></td> |
| 79 | <td class="left" ><code>concat(<var>seq1</var>, <var>seq2</var>)</code></td></tr> |
| 80 | <tr><td class="left" valign="baseline">Containment Test</td> |
| 81 | <td class="center"><code><var>o</var> in <var>seq</var></code></td> |
| 82 | <td class="left" ><code>contains(<var>seq</var>, <var>o</var>)</code></td></tr> |
| 83 | <tr><td class="left" valign="baseline">Division</td> |
| 84 | <td class="center"><code><var>a</var> / <var>b</var></code></td> |
| 85 | <td class="left" ><code>div(<var>a</var>, <var>b</var>) #</code> without <code>__future__.division</code></td></tr> |
| 86 | <tr><td class="left" valign="baseline">Division</td> |
| 87 | <td class="center"><code><var>a</var> / <var>b</var></code></td> |
| 88 | <td class="left" ><code>truediv(<var>a</var>, <var>b</var>) #</code> with <code>__future__.division</code></td></tr> |
| 89 | <tr><td class="left" valign="baseline">Division</td> |
| 90 | <td class="center"><code><var>a</var> // <var>b</var></code></td> |
| 91 | <td class="left" ><code>floordiv(<var>a</var>, <var>b</var>)</code></td></tr> |
| 92 | <tr><td class="left" valign="baseline">Bitwise And</td> |
| 93 | <td class="center"><code><var>a</var> & <var>b</var></code></td> |
| 94 | <td class="left" ><code>and_(<var>a</var>, <var>b</var>)</code></td></tr> |
| 95 | <tr><td class="left" valign="baseline">Bitwise Exclusive Or</td> |
| 96 | <td class="center"><code><var>a</var> ^ <var>b</var></code></td> |
| 97 | <td class="left" ><code>xor(<var>a</var>, <var>b</var>)</code></td></tr> |
| 98 | <tr><td class="left" valign="baseline">Bitwise Inversion</td> |
| 99 | <td class="center"><code>~ <var>a</var></code></td> |
| 100 | <td class="left" ><code>invert(<var>a</var>)</code></td></tr> |
| 101 | <tr><td class="left" valign="baseline">Bitwise Or</td> |
| 102 | <td class="center"><code><var>a</var> | <var>b</var></code></td> |
| 103 | <td class="left" ><code>or_(<var>a</var>, <var>b</var>)</code></td></tr> |
| 104 | <tr><td class="left" valign="baseline">Exponentiation</td> |
| 105 | <td class="center"><code><var>a</var> ** <var>b</var></code></td> |
| 106 | <td class="left" ><code>pow(<var>a</var>, <var>b</var>)</code></td></tr> |
| 107 | <tr><td class="left" valign="baseline">Identity</td> |
| 108 | <td class="center"><code><var>a</var> is <var>b</var></code></td> |
| 109 | <td class="left" ><code>is_(<var>a</var>, <var>b</var>)</code></td></tr> |
| 110 | <tr><td class="left" valign="baseline">Identity</td> |
| 111 | <td class="center"><code><var>a</var> is not <var>b</var></code></td> |
| 112 | <td class="left" ><code>is_not(<var>a</var>, <var>b</var>)</code></td></tr> |
| 113 | <tr><td class="left" valign="baseline">Indexed Assignment</td> |
| 114 | <td class="center"><code><var>o</var>[<var>k</var>] = <var>v</var></code></td> |
| 115 | <td class="left" ><code>setitem(<var>o</var>, <var>k</var>, <var>v</var>)</code></td></tr> |
| 116 | <tr><td class="left" valign="baseline">Indexed Deletion</td> |
| 117 | <td class="center"><code>del <var>o</var>[<var>k</var>]</code></td> |
| 118 | <td class="left" ><code>delitem(<var>o</var>, <var>k</var>)</code></td></tr> |
| 119 | <tr><td class="left" valign="baseline">Indexing</td> |
| 120 | <td class="center"><code><var>o</var>[<var>k</var>]</code></td> |
| 121 | <td class="left" ><code>getitem(<var>o</var>, <var>k</var>)</code></td></tr> |
| 122 | <tr><td class="left" valign="baseline">Left Shift</td> |
| 123 | <td class="center"><code><var>a</var> <<code><</code> <var>b</var></code></td> |
| 124 | <td class="left" ><code>lshift(<var>a</var>, <var>b</var>)</code></td></tr> |
| 125 | <tr><td class="left" valign="baseline">Modulo</td> |
| 126 | <td class="center"><code><var>a</var> % <var>b</var></code></td> |
| 127 | <td class="left" ><code>mod(<var>a</var>, <var>b</var>)</code></td></tr> |
| 128 | <tr><td class="left" valign="baseline">Multiplication</td> |
| 129 | <td class="center"><code><var>a</var> * <var>b</var></code></td> |
| 130 | <td class="left" ><code>mul(<var>a</var>, <var>b</var>)</code></td></tr> |
| 131 | <tr><td class="left" valign="baseline">Negation (Arithmetic)</td> |
| 132 | <td class="center"><code>- <var>a</var></code></td> |
| 133 | <td class="left" ><code>neg(<var>a</var>)</code></td></tr> |
| 134 | <tr><td class="left" valign="baseline">Negation (Logical)</td> |
| 135 | <td class="center"><code>not <var>a</var></code></td> |
| 136 | <td class="left" ><code>not_(<var>a</var>)</code></td></tr> |
| 137 | <tr><td class="left" valign="baseline">Right Shift</td> |
| 138 | <td class="center"><code><var>a</var> ><code>></code> <var>b</var></code></td> |
| 139 | <td class="left" ><code>rshift(<var>a</var>, <var>b</var>)</code></td></tr> |
| 140 | <tr><td class="left" valign="baseline">Sequence Repitition</td> |
| 141 | <td class="center"><code><var>seq</var> * <var>i</var></code></td> |
| 142 | <td class="left" ><code>repeat(<var>seq</var>, <var>i</var>)</code></td></tr> |
| 143 | <tr><td class="left" valign="baseline">Slice Assignment</td> |
| 144 | <td class="center"><code><var>seq</var>[<var>i</var>:<var>j</var>]</code> = <var>values</var></td> |
| 145 | <td class="left" ><code>setslice(<var>seq</var>, <var>i</var>, <var>j</var>, <var>values</var>)</code></td></tr> |
| 146 | <tr><td class="left" valign="baseline">Slice Deletion</td> |
| 147 | <td class="center"><code>del <var>seq</var>[<var>i</var>:<var>j</var>]</code></td> |
| 148 | <td class="left" ><code>delslice(<var>seq</var>, <var>i</var>, <var>j</var>)</code></td></tr> |
| 149 | <tr><td class="left" valign="baseline">Slicing</td> |
| 150 | <td class="center"><code><var>seq</var>[<var>i</var>:<var>j</var>]</code></td> |
| 151 | <td class="left" ><code>getslice(<var>seq</var>, <var>i</var>, <var>j</var>)</code></td></tr> |
| 152 | <tr><td class="left" valign="baseline">String Formatting</td> |
| 153 | <td class="center"><code><var>s</var> % <var>o</var></code></td> |
| 154 | <td class="left" ><code>mod(<var>s</var>, <var>o</var>)</code></td></tr> |
| 155 | <tr><td class="left" valign="baseline">Subtraction</td> |
| 156 | <td class="center"><code><var>a</var> - <var>b</var></code></td> |
| 157 | <td class="left" ><code>sub(<var>a</var>, <var>b</var>)</code></td></tr> |
| 158 | <tr><td class="left" valign="baseline">Truth Test</td> |
| 159 | <td class="center"><code><var>o</var></code></td> |
| 160 | <td class="left" ><code>truth(<var>o</var>)</code></td></tr> |
| 161 | <tr><td class="left" valign="baseline">Ordering</td> |
| 162 | <td class="center"><code><var>a</var> < <var>b</var></code></td> |
| 163 | <td class="left" ><code>lt(<var>a</var>, <var>b</var>)</code></td></tr> |
| 164 | <tr><td class="left" valign="baseline">Ordering</td> |
| 165 | <td class="center"><code><var>a</var> <= <var>b</var></code></td> |
| 166 | <td class="left" ><code>le(<var>a</var>, <var>b</var>)</code></td></tr> |
| 167 | <tr><td class="left" valign="baseline">Equality</td> |
| 168 | <td class="center"><code><var>a</var> == <var>b</var></code></td> |
| 169 | <td class="left" ><code>eq(<var>a</var>, <var>b</var>)</code></td></tr> |
| 170 | <tr><td class="left" valign="baseline">Difference</td> |
| 171 | <td class="center"><code><var>a</var> != <var>b</var></code></td> |
| 172 | <td class="left" ><code>ne(<var>a</var>, <var>b</var>)</code></td></tr> |
| 173 | <tr><td class="left" valign="baseline">Ordering</td> |
| 174 | <td class="center"><code><var>a</var> >= <var>b</var></code></td> |
| 175 | <td class="left" ><code>ge(<var>a</var>, <var>b</var>)</code></td></tr> |
| 176 | <tr><td class="left" valign="baseline">Ordering</td> |
| 177 | <td class="center"><code><var>a</var> > <var>b</var></code></td> |
| 178 | <td class="left" ><code>gt(<var>a</var>, <var>b</var>)</code></td></tr></tbody> |
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