擅长:python、mysql、java
<p><code>IndexError: list index out of range</code>-表示您正在按位置访问一个不存在的值。在</p>
<p>例如:</p>
<pre><code>a = range(10) #length of a is 9, list indices start at 0
print(a[10]) #accessing value by a index that doesn't exist, raises a IndexError exception
</code></pre>