17.py

name=input('Eneter  a name:')
marks=[]
for i in range(5):
	m=int(input(f'Enter a marks for subeject : {i+1}'))
	marks.append(m)
class Student:
	def total_marks(self,marks):
		total=sum(marks)
		return total
	def average_marks(self,total):
		avg=total/5
		return avg
	def grade(self,avg):
		if avg>=90:
			return 'A'
		elif avg>=75:
			return 'B'
		elif avg>=60:
			return 'C'
		elif avg>=50:
			return 'D'
		else:
			return 'F'
s1=Student()
total=s1.total_marks(marks)
avg=s1.average_marks(total)
grade=s1.grade(avg)
print('-------Student Report-------')
print(f'Name : ',name)
print(f'Total marks',total)
print(f'Average marks',avg)
print(f'Grade',grade)