def cgpaCalculator():
	#This is the total Score Obtainable based on the Number Of Courses Offerred
	TotalScoreOfferable = 0
	#This is the score obtained by the person which is intially zero
	obtainedGrade = 0

	# The user Enters the Number of Courses he Offered
	numberOfCourses = int(input("Please Enter the number of Courses you Offered: "))
	print ("**********************************************************************************************************************************")
	# this creates a for loop to collect all Courses offered
	for x in range(numberOfCourses):
		# This takes in the name of the course
		Course1 = input("Enter The Course code of the  course you took:")
		# THis takes in the number of unit of the course
		unit = int(input ("How many Unit is the Course you took: "))
		#This takes in the person score in the course
		score = int(input("Please Enter your Score:"))
		print ("**********************************************************************************************************************************")

		#This increament the totalScore obtainable based on the unit of the course
		TotalScoreOfferable += unit* 5


		# these are cases for grade (70-100 = 5 points , 60-70 = 4 points , 50-60 = 3 points ,50-45 = 2 points , 45-40 = 1 point , lesser than 40 = 0 points )
		if (score >= 70):
			grade = 5
		elif(score < 70 and  score >= 60):
			grade = 4
		elif(score < 60 and  score >= 50 ):
			grade = 3
		elif(score < 50 and  score >=45):
			grade = 2
		elif (score < 45 and  score>=40):
			grade = 1
		else :
			grade = 0


		obtainedGrade += unit*grade

	Cgpa =float((obtainedGrade / TotalScoreOfferable) * 5)
	print("THANKS FOR ALL YOUR INPUT YOUR CGPA IS : " + str(Cgpa))


cgpaCalculator()