In Python, show

Write a python program that reads students names followed by their test scores. The program should output each students name followed by the test scores and the relevant grade. It should also find and print the highest test score and the name of the students having the highest test score. Suppose that the class has 20 students.

Your program must contain at least the following functions:

A function to read the students data.

A function to assign the relevant grade to each student.

A function to find the highest test score.

A function to print the names of the students having the highest test score.