You are given a file consisting of students’ names in the following form: . (Note that a...

You are given a file consisting of students’ names in the following form: . (Note that a student may not have a middle name.) Write a program that converts each name to the following form: . Your program must read each student’s entire name in a variable and must consist of a function that takes as input a string, consists of a student’s name, and returns the string consisting of the altered name. Use the string function to find the index of ,; the function to find the length of the string; and the function to extract the .