擅长:python、mysql、java
<pre><code>signal_levels = []
try:
with open("file.txt") as fh:
lines = fh.readlines()
except IOError as err:
# error handling
</code></pre>
<p>然后您可以使用<a href="https://docs.python.org/3/library/re.html" rel="nofollow noreferrer">^{<cd1>}</a>模块:</p>
^{pr2}$
<p>或者没有它(灵感来自<a href="https://stackoverflow.com/a/30647005/4607488">heinst's answer</a>):</p>
<pre><code>for line in lines:
try:
value = int(line.split('=')[-1].split()[0])
signal_levels.append(value)
except ValueError as err:
# possible error handling
</code></pre>