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<H2><A NAME=
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3.10.1 Mapping Operators to Functions
This table shows how abstract operations correspond to operator
symbols in the Python syntax and the functions in the
<tt class=
"module"><a href=
"module-operator.html">operator
</a></tt> module.
<div class=
"center"><table class=
"realtable">
<th class=
"left" >Operation
</th>
<th class=
"center">Syntax
</th>
<th class=
"left" >Function
</th>
<tr><td class=
"left" valign=
"baseline">Addition
</td>
<td class=
"center"><code><var>a
</var> +
<var>b
</var></code></td>
<td class=
"left" ><code>add(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Concatenation
</td>
<td class=
"center"><code><var>seq1
</var> +
<var>seq2
</var></code></td>
<td class=
"left" ><code>concat(
<var>seq1
</var>,
<var>seq2
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Containment Test
</td>
<td class=
"center"><code><var>o
</var> in
<var>seq
</var></code></td>
<td class=
"left" ><code>contains(
<var>seq
</var>,
<var>o
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Division
</td>
<td class=
"center"><code><var>a
</var> /
<var>b
</var></code></td>
<td class=
"left" ><code>div(
<var>a
</var>,
<var>b
</var>) #
</code> without
<code>__future__.division
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Division
</td>
<td class=
"center"><code><var>a
</var> /
<var>b
</var></code></td>
<td class=
"left" ><code>truediv(
<var>a
</var>,
<var>b
</var>) #
</code> with
<code>__future__.division
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Division
</td>
<td class=
"center"><code><var>a
</var> //
<var>b
</var></code></td>
<td class=
"left" ><code>floordiv(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Bitwise And
</td>
<td class=
"center"><code><var>a
</var> & <var>b
</var></code></td>
<td class=
"left" ><code>and_(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Bitwise Exclusive Or
</td>
<td class=
"center"><code><var>a
</var> ^
<var>b
</var></code></td>
<td class=
"left" ><code>xor(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Bitwise Inversion
</td>
<td class=
"center"><code>~
<var>a
</var></code></td>
<td class=
"left" ><code>invert(
<var>a
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Bitwise Or
</td>
<td class=
"center"><code><var>a
</var> |
<var>b
</var></code></td>
<td class=
"left" ><code>or_(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Exponentiation
</td>
<td class=
"center"><code><var>a
</var> **
<var>b
</var></code></td>
<td class=
"left" ><code>pow(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Identity
</td>
<td class=
"center"><code><var>a
</var> is
<var>b
</var></code></td>
<td class=
"left" ><code>is_(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Identity
</td>
<td class=
"center"><code><var>a
</var> is not
<var>b
</var></code></td>
<td class=
"left" ><code>is_not(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Indexed Assignment
</td>
<td class=
"center"><code><var>o
</var>[
<var>k
</var>] =
<var>v
</var></code></td>
<td class=
"left" ><code>setitem(
<var>o
</var>,
<var>k
</var>,
<var>v
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Indexed Deletion
</td>
<td class=
"center"><code>del
<var>o
</var>[
<var>k
</var>]
</code></td>
<td class=
"left" ><code>delitem(
<var>o
</var>,
<var>k
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Indexing
</td>
<td class=
"center"><code><var>o
</var>[
<var>k
</var>]
</code></td>
<td class=
"left" ><code>getitem(
<var>o
</var>,
<var>k
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Left Shift
</td>
<td class=
"center"><code><var>a
</var> <<code><</code> <var>b
</var></code></td>
<td class=
"left" ><code>lshift(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Modulo
</td>
<td class=
"center"><code><var>a
</var> %
<var>b
</var></code></td>
<td class=
"left" ><code>mod(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Multiplication
</td>
<td class=
"center"><code><var>a
</var> *
<var>b
</var></code></td>
<td class=
"left" ><code>mul(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Negation (Arithmetic)
</td>
<td class=
"center"><code>-
<var>a
</var></code></td>
<td class=
"left" ><code>neg(
<var>a
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Negation (Logical)
</td>
<td class=
"center"><code>not
<var>a
</var></code></td>
<td class=
"left" ><code>not_(
<var>a
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Right Shift
</td>
<td class=
"center"><code><var>a
</var> ><code>></code> <var>b
</var></code></td>
<td class=
"left" ><code>rshift(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Sequence Repitition
</td>
<td class=
"center"><code><var>seq
</var> *
<var>i
</var></code></td>
<td class=
"left" ><code>repeat(
<var>seq
</var>,
<var>i
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Slice Assignment
</td>
<td class=
"center"><code><var>seq
</var>[
<var>i
</var>:
<var>j
</var>]
</code> =
<var>values
</var></td>
<td class=
"left" ><code>setslice(
<var>seq
</var>,
<var>i
</var>,
<var>j
</var>,
<var>values
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Slice Deletion
</td>
<td class=
"center"><code>del
<var>seq
</var>[
<var>i
</var>:
<var>j
</var>]
</code></td>
<td class=
"left" ><code>delslice(
<var>seq
</var>,
<var>i
</var>,
<var>j
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Slicing
</td>
<td class=
"center"><code><var>seq
</var>[
<var>i
</var>:
<var>j
</var>]
</code></td>
<td class=
"left" ><code>getslice(
<var>seq
</var>,
<var>i
</var>,
<var>j
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">String Formatting
</td>
<td class=
"center"><code><var>s
</var> %
<var>o
</var></code></td>
<td class=
"left" ><code>mod(
<var>s
</var>,
<var>o
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Subtraction
</td>
<td class=
"center"><code><var>a
</var> -
<var>b
</var></code></td>
<td class=
"left" ><code>sub(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Truth Test
</td>
<td class=
"center"><code><var>o
</var></code></td>
<td class=
"left" ><code>truth(
<var>o
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Ordering
</td>
<td class=
"center"><code><var>a
</var> < <var>b
</var></code></td>
<td class=
"left" ><code>lt(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Ordering
</td>
<td class=
"center"><code><var>a
</var> <=
<var>b
</var></code></td>
<td class=
"left" ><code>le(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Equality
</td>
<td class=
"center"><code><var>a
</var> ==
<var>b
</var></code></td>
<td class=
"left" ><code>eq(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Difference
</td>
<td class=
"center"><code><var>a
</var> !=
<var>b
</var></code></td>
<td class=
"left" ><code>ne(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Ordering
</td>
<td class=
"center"><code><var>a
</var> >=
<var>b
</var></code></td>
<td class=
"left" ><code>ge(
<var>a
</var>,
<var>b
</var>)
</code></td></tr>
<tr><td class=
"left" valign=
"baseline">Ordering
</td>
<td class=
"center"><code><var>a
</var> > <var>b
</var></code></td>
<td class=
"left" ><code>gt(
<var>a
</var>,
<var>b
</var>)
</code></td></tr></tbody>
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