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// list::front
#include <iostream>
#include <list>
int main ()
{
std::list<int> mylist;
mylist.push_back(77);
mylist.push_back(22);
// now front equals 77, and back 22
mylist.front() -= mylist.back();
std::cout << "mylist.front() is now " << mylist.front() << '\n';
return 0;
}
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