C++: Write as much as notes as possible (internal documentation) and show a screenshot of the code as well. Thanks!

TFFTTTFTFTFFTTFTTTFF Edting ALU76359 TFTFT 8563 TFFTTTFTFTFFTTFFFTFF CS121 Lab8 Ctt Description: You will write a program that calculates students' grades for a 20 question 87 FTTF MAC78899 FTFTFT TFTFTF FTFTFT true false test The data is stored in a file called labsaata.tt, and has the following format The first line in the file contains the correct answers for the test The other lines contain the students and their answers Note: Some answers may be blank Do NOT assume a specific number of students; I may add/delete students answer gets 2 points, an incorrect answer LOSES a point, and a blank get Your program will calculate the total points for each student, and their letter grade nothing o Standard letter grades (90's is an A,80's is a B', etc.) Your results should look like this: (it doesn't have to be blue.)