#one dimensional lists
#write a program (main only)
#that creates a list of 5 grades
#and finds average grade

#we will not use build-in function sum, but instead we will write 
#a code to find sum of grades

def main():
	grades=[] #defines empty list

	for i in range(5):
		num=int(input("enter grade "))
		grades.append(num)
	print("grades are", grades)
	
	#if we want to print grades on separate lines 
	#we need to use loop

	print("printing grades on separate lines")
	for i in range(5):
		print("student",i+1, "grade is", grades[i])
	
	#to find an average grade, first we need to find
	#sum of all grades

	total=0
	for i in range(5):
		total=total+grades[i]
	print("total grade is", total)
	print("using build-in function sum, total grade is", sum(grades))	
	
	print("average grade", total/5)
main()