def readInput(prompt):
    """Reads in one line of text from the user
       repeating the prompt if they don't enter any text"""
    input = ""
    while input == "":
        input = raw_input(prompt)
    return input


def getAverageGrade(prompt,count):
    """Reads count grades from the user, and returns the average.
       prompt defines what type of grade.
       >>>getAverageGrade("Exam", 3)
       Exam 1 score: 80
       Exam 2 score: 90
       Exam 3 score: 85
       85.0
    """
    
    total = 0
    for i in range(count):
        total += float(readInput(prompt + " " + str(i+1) + " score:"))

    return total/count


count = int(readInput("How many students' grades do you want to calculate?"))

for i in range(count):
    total = 0
    name = readInput("Enter the student's name: ")
    print "Enter the student's exam grades"
    total += .6 * getAverageGrade("Exam", 3)

    print "Enter the student's assignment grades"
    total += .4 * getAverageGrade("Assignment", 4)

    print name + "'s total grade is " + str(total)