擅长:python、mysql、java
<p>您可以使用<a href="https://docs.python.org/3/library/re.html" rel="nofollow noreferrer">^{<cd1>}</a>(regex)模块:</p>
<pre><code>import re
given_command = r"Can you please turn off the lights?"
data = given_command.lower().split(" ")
print(list(map(lambda x: re.sub('\\W', '', x), data))) # replace any non alphanumeric character with the empty string
</code></pre>
<p>输出:</p>
<pre><code>['can', 'you', 'please', 'turn', 'off', 'the', 'lights']
</code></pre>