#Student takes certain amount of courses during the academic year. Write a 
#program that reads number of courses and final grade for each course, and 
#finds the average final grade for the academic year. Use TOP-DOWN design.

#write a function final_grade_average that has one parameter - number of 
#courses function reads number of courses and final grade for each course 
#and function returns the average grade
#USE LOOP FOR

#Write main that reads a number of students in the department
#and for each student asks for number of courses and finds average grade for 
#each student
#USE LOOP FOR

def final_grade_average(num_courses):
	sum=0
	for i in range(num_courses):
		grade=int(input("enter grade "))
		sum=sum+grade
	return (sum/num_courses)
def main():
	num_students=int(input("enter number of student "))
	for i in range(num_students):
		num_courses=int(input("how many courses do you take? "))
		average=final_grade_average(num_courses)
		print(average)

main()