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Input: myvector= {1, 2, 3, 4, 5}, iterator= myvector.begin()+2
myvector.erase(iterator);
Output: 1, 2, 4, 5
Input: myvector= {1, 2, 3, 4, 5, 6, 7, 8}, iterator1= myvector.begin()+3, iterator2= myvector.begin()+6
myvector.erase(iterator1, iterator2);
Output: 1, 2, 3, 7, 8