Question 4: Write NP (uumeric pair) template class that will hold two instances of the given type (x and y). Write default, copy and move constructors; a constructor that takes x and y values, copy assignment, + operator that adds x and y values of the left and right sides separately, and comparison operator which checks if x and y are the same for left and right sides. Additionally, add a function call operator which will return the summation of the two variables. Use const in places that are needed

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