#Write a program that reads grades for 5 students in the class and finds 
#the average grade. 

i=1
sum_grades=0  #initial value for accumulation variable

while(i<=5): 
	#i=1, 2, 3, 4, 5, condition i<=5 will be True and loop will 
	#iterate 5 times
	grade=int(input("enter grade "))
	sum_grades=sum_grades+grade #sum_grades+=grade	
	i=i+1 #i+=1

average=sum_grades/5
print("average grade in the class is", average)