擅长:python、mysql、java
<p>您不需要lambda函数来执行此操作:</p>
<pre><code>>>> s = "fname:John,lname:doe,mname:dunno,city:Florida"
>>> dict(item.split(":") for item in s.split(","))
{'lname': 'doe', 'mname': 'dunno', 'fname': 'John', 'city': 'Florida'}
</code></pre>
<p>但如果你真的想:</p>
<pre><code>>>> dict(map(lambda x: x.split(":"), s.split(",")))
{'lname': 'doe', 'mname': 'dunno', 'fname': 'John', 'city': 'Florida'}
</code></pre>