擅长:python、mysql、java
<h3>使用<a href="https://docs.python.org/3/library/stdtypes.html#str.isnumeric" rel="nofollow noreferrer">^{<cd1>}</a>检查每个键是否为数字</h3>
<ul>
<li>此方法使用<a href="https://www.python.org/dev/peps/pep-0274/" rel="nofollow noreferrer">dictionary comprehension</a></li>
</ul>
<pre class="lang-py prettyprint-override"><code>my_dict = {"name" : "Value", "1":"1.3"}
num_dict = {k: v for k, v in my_dict.items() if k.isnumeric()}
print(num_dict)
>>> {'1': '1.3'}
</code></pre>