擅长:python、mysql、java
<p>您需要使用<a href="https://docs.python.org/3/tutorial/datastructures.html#looping-techniques" rel="nofollow noreferrer">.items()</a>迭代dict,然后可以将元组解压为2个变量(<code>firstVal</code>,<code>secondVal</code>):</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 = {}
for key, v in my_dict.items():
firstVal, secondVal = v
if firstVal > 30 and secondVal < 0.6:
new_dict[key] = v
print new_dict
</code></pre>
<p>印刷品:</p>
^{pr2}$