擅长:python、mysql、java
<p>你所拥有的是一本字典,而不是一个列表,你想要的是钥匙:</p>
<pre><code>your_dict = {'J2EE': 0.0202219636, 'financial': 0.2439565346, 'Guru': 0.0202219636, 'AWS': 0.0202219636, 'next generation': 0.12072663160000001, 'Machine Learning': 0.2025762767, 'technology': 0.066936981}
your_dict_keys = your_dict.keys()
</code></pre>