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3. Referring to Fig. 3-A below, with the help of appropriate example(s), determine the purpose of the function strtoPrimitive) by describing : a) b) How you would invoke the function with sample input values for its arguments Based on the input values in Qn 3a), what would be the output? (3 marks) template T strtoPrimitive (string input) 1 istringstream iss (input); Toutput; iss >> output; return (output); ) Fig. 3.A