3. Referring to Fig. 3-A below, with the help of appropriate example(s), determine the purpose of the function convertFrStringToPrimitiveType() 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? template T convertFrStringToPrimitiveType (string input) { istringstream iss (input); Toutput; iss >>output; return (output); (3 marks) Fig. 3-A