擅长:python、mysql、java
<p>您可以通过在列表理解中使用<code>replace</code>来实现这一点:</p>
<pre><code>cp = ['EURUSD', 'CHFUSD', 'JPYUSD', 'CADUSD']
new_cp = [word.replace('USD', 'GBP') for word in cp]
#i.e.: for word in cp, we apply the specified function to it - replace the 'USD' in that word with 'GBP' - and then append it to a new list
print(new_cp)
</code></pre>
<p>输出:<code>['EURGBP', 'CHFGBP', 'JPYGBP', 'CADGBP']</code></p>