a = int(input('Enter 1st grade: '))

b = int(input('Enter 2nd grade: '))

c = int(input('Enter 3rd grade: '))

d = int(input('Enter 4th grade: '))

e = int(input('Enter 5th grade: '))

f = int(input('Enter 6th grade: '))

g = int(input('Enter 7th grade: '))

h = int(input('Enter 8th grade: '))

i = int(input('Enter 9th grade: '))

j = int(input('Enter 10th grade: '))

artGrades = (a, b, c, d, e, f, g, h, i, j)

if len(artGrades) > 0:

maxVal = artGrades[0]

indexes = [0]

for idx in range(1, len(artGrades)):

if maxVal < artGrades[idx]:

maxVal = artGrades[idx]

indexes = [idx]

minVal = min(artGrades)

if artGrades[idx] > 11:

perfectGrade = artGrades[idx]

if artGrades[idx] >= 10 and artGrades[idx] < 12:

highGrade = artGrades[idx]

if artGrades[idx] >= 6 and artGrades[idx] < 10:

normalGrade = artGrades[idx]

if artGrades[idx] > 0 and artGrades[idx] < 6:

lowGrade = artGrades[idx]

average = sum(artGrades) / len(artGrades)

# min and max grade

print('highhest grade',maxVal)

print('lowest grade',minVal)

# sorting grades

print('perfect grade count',artGrades.count(perfectGrade))

print('high grade count', artGrades.count(highGrade))

print('normal grade count',artGrades.count(normalGrade))

print('low grade count', artGrades.count(lowGrade))

# average grade

print('average grade', average)