擅长:python、mysql、java
<p>您对打开的文件使用了错误的模式。你可以读到<a href="https://docs.python.org/2/tutorial/inputoutput.html#reading-and-writing-files" rel="nofollow noreferrer">here</a></p>
<blockquote>
<p>(...)'w' for only writing (an existing file with the same name will be erased), and 'a' opens the file for appending(...)</p>
</blockquote>
<p>因此,当您设置<code>w</code>标志时,您将覆盖您的文件。您需要做的就是将<code>w</code>更改为<code>a</code></p>
<pre><code>open('C:/Users/KaanPISI/Desktop/seyiresas.csv','w')
</code></pre>