擅长:python、mysql、java
<p>您可以使用<code>recursion</code></p>
<pre><code>def q2(n):
result = []
if n:
result = result + q2(n - 1)
result.append(n * 2 - 1)
return result
result = q2(3)
print(result) # output : [1, 3, 5]
</code></pre>
<p><a href="https://realpython.com/python-thinking-recursively/" rel="nofollow noreferrer">This</a>是开始学习递归的好资源</p>