07. Train The Trainers

# 07. Train The Trainers

numberOfPeople = int(input())
allScore = 0
counter = 0
while True:
    nameOfPresentation = input()
    sumOfGrades = 0
    if nameOfPresentation == "Finish":
        scoreSum = allScore / counter
        print(f"Student's final assessment is {scoreSum:.2f}.")
        break
    i = 0
    while i < numberOfPeople:
        grade = float(input())
        sumOfGrades += grade
        allScore += grade
        counter += 1
        i += 1
    sumAfter = sumOfGrades / numberOfPeople
    print(f"{nameOfPresentation} - {sumAfter:.2f}.")