但他事实上抛出一个异常， 异常就在这里，这是一个下标错误，它是试图去取超出范围的元素造成的。
The exception is right there. It's an index error, that is it's trying to do something going beyond the range of what this thing could deal with.
但他事实上抛出一个异常， 异常就在这里，这是一个下标错误，它是试图去取超出范围的元素造成的。
The exception is right there. It's an index error, that is it's trying to do something going beyond the range of what this thing could deal with.
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