擅长:python、mysql、java
<p>总是这样吗?您可以简单地执行以下操作:</p>
<pre><code>s7="ONE : TWO : THREE : FOUR : FIVE 30.1 : SIX 288.3 : SEVEN 1.9 : EIGHT 45.3 :"
for elem in s7.split(' '):
try:
print elem
total += float(elem)
except:
pass
s7 = total
>>> s7
365.6
</code></pre>
<p>对<code>s8</code>也是这样。你知道吗</p>