擅长:python、mysql、java
<p>如果文件中的列由表格分隔,则可以使用<code>np.loadtxt</code>(NumPy函数)执行以下操作</p>
<pre><code>artists, tracks = np.loadtxt("myfile.txt", delimiter = "\t", dtype = str, usecols = [ 3, 4 ], unpack = True)
</code></pre>
<p>这将输出一个NumPy数组。或者,您可以将这些数组转换为常规的Python字符串列表</p>
<pre><code>artists = [ str(s) for s in artists ]
tracks = [ str(s) for s in tracks ]
</code></pre>