擅长:python、mysql、java
<p>您还可以使用regex,这可能是解决问题的更健壮的方法</p>
<pre class="lang-py prettyprint-override"><code>with open("floatnumber.txt", 'r') as f:
csv_f = csv.reader(f, delimiter=',')
for row in csv_f:
results = re.findall("=\s*?(\d+\.\d+|\d+)", row[2])
l.append(log(float(results[0])))
print (l)
</code></pre>
<p>别忘了使用</p>
<pre class="lang-py prettyprint-override"><code>import re
</code></pre>