Write a function to format numbers as two digits. /** * Formats a number as 2 digits, with a leading 0 if needed * *

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Write a function to format numbers as two digits.
/** * Formats a number as 2 digits, with a leading 0 ifneeded * * @param n number to format, assumed between 0 and 59,inclusive * @return two digit string representation of number */string twoDigitString(unsigned int n) { /** * You may wish to change this function when you bringit into your program. * For now please get it to work here with the existingfunction signature. * You may assume <string> has beenincluded. */ // TODO: your code here to implement the method // return the two digit string}