Write a Python program that determines a student’s grade. The program will read three types of scores(quiz, midterm, final exam scores) and determine the grade based on the following rules : if the...

Write a Python program that determines a student’s grade. The program will read three types of scores(quiz, midterm, final exam scores) and determine the grade based on the following rules : if the average score >=90% =>grade=A -if the average score >= 70% and <90% ==""> grade=B -if the average score>=50% and <70% =="">grade=C -if the average score<50% =="">grade=F Example Input : Quiz score: 80 Mid-term score: 68 Final score: 90 Output: Your grade is B.