擅长:python、mysql、java
<p>您可以使用dict comprehension创建新的dict。在</p>
<pre><code>my_dict = {'Stock A': (100, 0.5), 'Stock B': (20, 0.9), 'Stock C': (40, 0.75), 'Stock D': (45, 0.3)}
new_dict = {k:v for k,v in my_dict.items() if v[0]>30 and v[1] <0.6}
print (new_dict)
</code></pre>
<p>结果:</p>
^{pr2}$