擅长:python、mysql、java
<p><strong>输入:</strong></p>
<pre class="lang-py prettyprint-override"><code>names = {
('nevio', 'chetan'),
('oishee', 'tafel'),
('utas', 'brea'),
('zoiie', 'fennell'),
('mervi', 'ensing')
}
</code></pre>
<p><strong>将集合转换为列表</strong></p>
<pre class="lang-py prettyprint-override"><code>names_list = list(names)
</code></pre>
<p><strong>然后使用此示例。</strong></p>
<pre class="lang-py prettyprint-override"><code>with open('test.txt','w') as f:
for i, name in enumerate(names_list):
f.write(f"'{name[0]}', '{name[1]}'{',' if i+1 < len(names_list) else ''}\n")
</code></pre>
<p><strong>输出:</strong></p>
<pre class="lang-py prettyprint-override"><code>'nevio', 'chetan',
'utas', 'brea',
'mervi', 'ensing',
'zoiie', 'fennell',
'oishee', 'tafel'
</code></pre>
<hr/>
<p><strong>这里发生了什么</strong><code>{',' if i+1 < len(names_list) else ''}</code><br/>
如果操作元素+1的索引小于名称列表的长度,则粘贴字符<code>','</code>,否则粘贴空字符串<code>''</code></p>