擅长:python、mysql、java
<p>要更新<code>m</code>的值,您应该<code>return</code>连接的值并将其分配给变量<code>m</code>:</p>
<pre><code>def appendFlag(target, value):
target += value
target += " "
return target
print(appendFlag)
m = "hey"
m = appendFlag(m,"ok")
print(m)
</code></pre>
<p><strong>输出</strong>:</p>
^{pr2}$