擅长:python、mysql、java
<p>你的问题就在这些方面</p>
<pre><code>evencount = len(numbers)
oddcount = len(numbers)
</code></pre>
<p>在这两种情况下,你最后都会说</p>
<pre><code>evencount = all numbers i've encountered
oddcount = all numbers i've encountered
</code></pre>
<p>这就是为什么您得到<code>4,4</code>作为evencount和oddcount,因为您有4个数字作为输入。你知道吗</p>
<p>把它改成</p>
<pre><code>evencount = 0
oddcount = 0
for num in numbers:
if num % 2 ==0:
evencount += 1
even_sum += num
else:
oddcount += 1
odd_sum += num
</code></pre>