lab 2

student = int(input('Enter number of students: '))
if student == 1:
    scores = list(map(int,input(f'Enter {student} score: ').strip().split()))
elif student > 1:
    scores = list(map(int, input(f'Enter {student} scores: ').strip().split()))
grades = list()

def student_grades(scores, grades):
    best = max(scores)
    for i in range(len(scores)):
        if scores[i] >= best - 10:
            grades.append('A')
        elif scores[i] >= best - 20:
            grades.append('B')
        elif scores[i] >= best - 30:
            grades.append('C')
        elif scores[i] >= best - 40:
            grades.append('D')
        else:
            grades.append('F')


student_grades(scores, grades)

for i in range(len(scores)):
    print('Student {0} has a score of {1} and the grade is {2}'.format(i, scores[i], grades[i]))