擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>yourlist = [3,1,4]
n = 1
resultlist = yourlist[:-1] if yourlist[-1]>=n else yourlist+[n]
print(resultlist)
n = 5
resultlist = yourlist[:-1] if yourlist[-1]>=n else yourlist+[n]
print(resultlist)
</code></pre>
<p>输出:
[3,1]</p>
<p>[3,1,4,5]</p>