擅长:python、mysql、java
<p>像这样使用<code>try</code>和<code>except</code>块:</p>
<pre><code>scores = [100,22,11,22,44,66,77]
position = 0
counter = []
findthis = 22
while True:
try:
position = scores.index(findthis, position)
counter.append(position)
position = position + 1
except ValueError:
break
print(counter)
</code></pre>
<p>但是我同意纪尧姆·杜普雷的观点,用一个更简单的方法来代替。你知道吗</p>