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<div class="section" id="list-objects">
<span id="listobjects"></span><h1>List（串列）物件<a class="headerlink" href="#list-objects" title="本標題的永久連結">¶</a></h1>
<span class="target" id="index-0"></span><dl class="type">
<dt id="c.PyListObject">
<code class="descname">PyListObject</code><a class="headerlink" href="#c.PyListObject" title="本定義的永久連結">¶</a></dt>
<dd><p>This subtype of <a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyObject</span></code></a> represents a Python list object.</p>
</dd></dl>
<dl class="var">
<dt id="c.PyList_Type">
<a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject">PyTypeObject</a> <code class="descname">PyList_Type</code><a class="headerlink" href="#c.PyList_Type" title="本定義的永久連結">¶</a></dt>
<dd><p>This instance of <a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyTypeObject</span></code></a> represents the Python list type.
This is the same object as <a class="reference internal" href="../library/stdtypes.html#list" title="list"><code class="xref py py-class docutils literal notranslate"><span class="pre">list</span></code></a> in the Python layer.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_Check">
int <code class="descname">PyList_Check</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_Check" title="本定義的永久連結">¶</a></dt>
<dd><p>Return true if <em>p</em> is a list object or an instance of a subtype of the list
type.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_CheckExact">
int <code class="descname">PyList_CheckExact</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *p</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_CheckExact" title="本定義的永久連結">¶</a></dt>
<dd><p>Return true if <em>p</em> is a list object, but not an instance of a subtype of
the list type.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_New">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyList_New</code><span class="sig-paren">(</span>Py_ssize_t<em> len</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_New" title="本定義的永久連結">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return a new list of length <em>len</em> on success, or <em>NULL</em> on failure.</p>
<div class="admonition note">
<p class="first admonition-title">備註</p>
<p class="last">If <em>len</em> is greater than zero, the returned list object’s items are
set to <code class="docutils literal notranslate"><span class="pre">NULL</span></code>. Thus you cannot use abstract API functions such as
<a class="reference internal" href="sequence.html#c.PySequence_SetItem" title="PySequence_SetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PySequence_SetItem()</span></code></a> or expose the object to Python code before
setting all items to a real object with <a class="reference internal" href="#c.PyList_SetItem" title="PyList_SetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyList_SetItem()</span></code></a>.</p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyList_Size">
Py_ssize_t <code class="descname">PyList_Size</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_Size" title="本定義的永久連結">¶</a></dt>
<dd><p id="index-1">Return the length of the list object in <em>list</em>; this is equivalent to
<code class="docutils literal notranslate"><span class="pre">len(list)</span></code> on a list object.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_GET_SIZE">
Py_ssize_t <code class="descname">PyList_GET_SIZE</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_GET_SIZE" title="本定義的永久連結">¶</a></dt>
<dd><p>Macro form of <a class="reference internal" href="#c.PyList_Size" title="PyList_Size"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyList_Size()</span></code></a> without error checking.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_GetItem">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyList_GetItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em>, Py_ssize_t<em> index</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_GetItem" title="本定義的永久連結">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the object at position <em>index</em> in the list pointed to by <em>list</em>. The
position must be positive, indexing from the end of the list is not
supported. If <em>index</em> is out of bounds, return <em>NULL</em> and set an
<a class="reference internal" href="../library/exceptions.html#IndexError" title="IndexError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">IndexError</span></code></a> exception.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_GET_ITEM">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyList_GET_ITEM</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em>, Py_ssize_t<em> i</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_GET_ITEM" title="本定義的永久連結">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Macro form of <a class="reference internal" href="#c.PyList_GetItem" title="PyList_GetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyList_GetItem()</span></code></a> without error checking.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_SetItem">
int <code class="descname">PyList_SetItem</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em>, Py_ssize_t<em> index</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *item</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_SetItem" title="本定義的永久連結">¶</a></dt>
<dd><p>Set the item at index <em>index</em> in list to <em>item</em>. Return <code class="docutils literal notranslate"><span class="pre">0</span></code> on success
or <code class="docutils literal notranslate"><span class="pre">-1</span></code> on failure.</p>
<div class="admonition note">
<p class="first admonition-title">備註</p>
<p class="last">This function 「steals」 a reference to <em>item</em> and discards a reference to
an item already in the list at the affected position.</p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyList_SET_ITEM">
void <code class="descname">PyList_SET_ITEM</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em>, Py_ssize_t<em> i</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *o</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_SET_ITEM" title="本定義的永久連結">¶</a></dt>
<dd><p>Macro form of <a class="reference internal" href="#c.PyList_SetItem" title="PyList_SetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyList_SetItem()</span></code></a> without error checking. This is
normally only used to fill in new lists where there is no previous content.</p>
<div class="admonition note">
<p class="first admonition-title">備註</p>
<p class="last">This macro 「steals」 a reference to <em>item</em>, and, unlike
<a class="reference internal" href="#c.PyList_SetItem" title="PyList_SetItem"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyList_SetItem()</span></code></a>, does <em>not</em> discard a reference to any item that
is being replaced; any reference in <em>list</em> at position <em>i</em> will be
leaked.</p>
</div>
</dd></dl>
<dl class="function">
<dt id="c.PyList_Insert">
int <code class="descname">PyList_Insert</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em>, Py_ssize_t<em> index</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *item</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_Insert" title="本定義的永久連結">¶</a></dt>
<dd><p>Insert the item <em>item</em> into list <em>list</em> in front of index <em>index</em>. Return
<code class="docutils literal notranslate"><span class="pre">0</span></code> if successful; return <code class="docutils literal notranslate"><span class="pre">-1</span></code> and set an exception if unsuccessful.
Analogous to <code class="docutils literal notranslate"><span class="pre">list.insert(index,</span> <span class="pre">item)</span></code>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_Append">
int <code class="descname">PyList_Append</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *item</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_Append" title="本定義的永久連結">¶</a></dt>
<dd><p>Append the object <em>item</em> at the end of list <em>list</em>. Return <code class="docutils literal notranslate"><span class="pre">0</span></code> if
successful; return <code class="docutils literal notranslate"><span class="pre">-1</span></code> and set an exception if unsuccessful. Analogous
to <code class="docutils literal notranslate"><span class="pre">list.append(item)</span></code>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_GetSlice">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyList_GetSlice</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em>, Py_ssize_t<em> low</em>, Py_ssize_t<em> high</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_GetSlice" title="本定義的永久連結">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p>Return a list of the objects in <em>list</em> containing the objects <em>between</em> <em>low</em>
and <em>high</em>. Return <em>NULL</em> and set an exception if unsuccessful. Analogous
to <code class="docutils literal notranslate"><span class="pre">list[low:high]</span></code>. Negative indices, as when slicing from Python, are not
supported.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_SetSlice">
int <code class="descname">PyList_SetSlice</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em>, Py_ssize_t<em> low</em>, Py_ssize_t<em> high</em>, <a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *itemlist</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_SetSlice" title="本定義的永久連結">¶</a></dt>
<dd><p>Set the slice of <em>list</em> between <em>low</em> and <em>high</em> to the contents of
<em>itemlist</em>. Analogous to <code class="docutils literal notranslate"><span class="pre">list[low:high]</span> <span class="pre">=</span> <span class="pre">itemlist</span></code>. The <em>itemlist</em> may
be <em>NULL</em>, indicating the assignment of an empty list (slice deletion).
Return <code class="docutils literal notranslate"><span class="pre">0</span></code> on success, <code class="docutils literal notranslate"><span class="pre">-1</span></code> on failure. Negative indices, as when
slicing from Python, are not supported.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_Sort">
int <code class="descname">PyList_Sort</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_Sort" title="本定義的永久連結">¶</a></dt>
<dd><p>Sort the items of <em>list</em> in place. Return <code class="docutils literal notranslate"><span class="pre">0</span></code> on success, <code class="docutils literal notranslate"><span class="pre">-1</span></code> on
failure. This is equivalent to <code class="docutils literal notranslate"><span class="pre">list.sort()</span></code>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_Reverse">
int <code class="descname">PyList_Reverse</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_Reverse" title="本定義的永久連結">¶</a></dt>
<dd><p>Reverse the items of <em>list</em> in place. Return <code class="docutils literal notranslate"><span class="pre">0</span></code> on success, <code class="docutils literal notranslate"><span class="pre">-1</span></code> on
failure. This is the equivalent of <code class="docutils literal notranslate"><span class="pre">list.reverse()</span></code>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_AsTuple">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="descname">PyList_AsTuple</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *list</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_AsTuple" title="本定義的永久連結">¶</a></dt>
<dd><em class="refcount">Return value: New reference.</em><p id="index-2">Return a new tuple object containing the contents of <em>list</em>; equivalent to
<code class="docutils literal notranslate"><span class="pre">tuple(list)</span></code>.</p>
</dd></dl>
<dl class="function">
<dt id="c.PyList_ClearFreeList">
int <code class="descname">PyList_ClearFreeList</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#c.PyList_ClearFreeList" title="本定義的永久連結">¶</a></dt>
<dd><p>Clear the free list. Return the total number of freed items.</p>
<div class="versionadded">
<p><span class="versionmodified">3.3 版新加入.</span></p>
</div>
</dd></dl>
</div>
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