擅长:python、mysql、java
<p>我建议使用<code>.replace()</code>方法</p>
<p>例如:</p>
<pre class="lang-py prettyprint-override"><code>cp = ['EURUSD', 'CHFUSD', 'JPYUSD', 'CADUSD']
new_cp = []
for currency in cp:
new_cp.append(currency.replace('USD', 'GBP'))
print(new_cp)
>> ['EURGBP', 'CHFGBP', 'JPYGBP', 'CADGBP']
</code></pre>
<p>希望这有帮助:)</p>