擅长:python、mysql、java
<p>如果在全局范围中定义了所有<code>train_<i></code>变量,则可以通过<code>globals()</code>访问它们。<a href="https://repl.it/repls/WorstWindyDesigns" rel="nofollow noreferrer">Demo</a></p>
<pre><code>train_0 = []
train_1 = []
train_2 = []
train_3 = []
for i in range(4):
globals()[f'train_{i}'].append(i)
print(train_0, train_1, train_2, train_3)
</code></pre>