擅长:python、mysql、java
<p>词典理解:</p>
<pre><code>L = ['iad-cgnt:248.600000,ord-cgnt:319.301775,iad-mci:331.185117,...pvg-cu1:38.750000']
{k: float(v) for k, v in (item.split(':') for item in L[0].split(','))}
</code></pre>
<p>值为浮动的结果:</p>
<pre><code>{'bgl-rel': 311.344224,
'hkg-pccw': 452.789753,
'iad-cgnt': 248.6,
'iad-mci': 331.185117,
'nyc-bgp': 382.41913,
'nyc-cgnt': 332.477115,
'nyc-inap': 316.122925,
'ord-cgnt': 319.301775,
'ord-tata': 243.0,
'pvg-cu1': 38.75,
'pvg-cu2': 40.912496,
'sjc-l3': 321.487964}
</code></pre>