The statements vecList.at(index) and vecList[index] return different values.

Name: The statements vecList.at(index) and vecList[index] return different values.
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Both vecList.at(index) and vecList[index] access the element at the specified index in the vector vecList; the difference is that .at(index) checks the bounds and throws an out_of_range exception if the index is out of bounds, whereas [index] does not perform any bounds checking.

The Statements VecList.at(index) and VecList[index] Return Different Values