擅长:python、mysql、java
<p>压痕可能是您的问题。试试这个:</p>
<pre><code>stocks = {'stock1', 'stock2', 'stock3'}
for stock in stocks:
url = ('http://http://mydata.com/q/c/?d={}%d1=20190101&d2=20200101')
dfs = pd.read_csv(url.format(stock))
</code></pre>
<p>请注意for循环中的缩进</p>