Homework/HW02/List.cc
bool List::operator!=(const List &data)
{
    return !(*this == data); // call the operator== on the object,
                             // not on the pointer
}
// Difference operator - it must compare the content of the two lists
// and not just the pointers to them.
Difference operator - it must compare the content of the two lists
and not just the pointers to them.
Difference operator - it must compare the content of the two lists and not just the pointers to them .
bool List::operator!=(const List &data)
{
    return !(*this == data); 
}
bool List :: operator != ( const List & data ) { return ! ( * this == data ) ; }
Difference operator - it must compare the content of the two lists
and not just the pointers to them.
Difference operator - it must compare the content of the two lists and not just the pointers to them .
// call the operator== on the object, // not on the pointer