This program records students’ names and scores, assigns them letter grades, and calculates the class average.

Line-by-line breakdown:

• Defines a structure to store each student’s name and score.

• Creates a function to calculate the average score by summing all scores and dividing by the number of students.

• Creates another function to determine each student’s letter grade (A–F) using preset grade boundaries.

• Asks the user how many students will be entered.

• Collects each student’s name and score through user input.

• Displays every student’s name, score, and corresponding grade.

• Computes and prints the overall class average at the end.