擅长:python、mysql、java
<p>下面的代码可以工作。我使用word1(currentWord)和word2(newWord)变量作为用户输入</p>
<pre><code>sentList = ['i like math', 'i am a cs expert']
word1 = 'math'
word2 = 'cs'
assert word1, word2 in sentList
sentList = [s.replace(word1, word2) if word1 in s
else s.replace(word2, word1) if word2 in s
else s for s in sentList]
</code></pre>
<p>如果我们把它分解成台阶,看起来像</p>
^{pr2}$