擅长:python、mysql、java
<p>它不是“pythonic循环”,而是<a href="https://docs.python.org/3/tutorial/datastructures.html#list-comprehensions" rel="nofollow noreferrer"><em>list comprehension</em></a>。你知道吗</p>
<p>等价物是:</p>
<pre><code>items = []
for c in challenges:
items.append(self.simulate(c))
nparr = np.asarray(items)
</code></pre>