擅长:python、mysql、java
<p>有两种方法可以满足您的要求:</p>
<pre><code>def getHigh(pricedata, start=None, end=None):
if start is None:
start = min(pricedata)
if end is None:
end = max(pricedata)
</code></pre>
<p>还有。。。你知道吗</p>
<pre><code>def getHigh(pricedata, **kwargs):
start = kwargs.get("start", min(pricedata))
end = kwargs.get("end",max(pricedata))
</code></pre>