擅长:python、mysql、java
<p>使用<code>str.split</code>按空格分隔行。然后比较</p>
<p><strong>例如:</strong></p>
<pre><code>myList = [1, 22]
with open(filename, "r") as infile:
for line in infile:
val = line.split()
if int(val[0]) in myList:
print(line.strip())
</code></pre>
<p><strong>输出:</strong></p>
^{pr2}$