Train The Traners - Phyton

juryCount = int(input())

presentationsCount = 0
finalAssessment = 0.0

while True:
    presentationName = input()
    if presentationName == "Finish":
        break

    averageGrade = 0.0
    for i in range(0, juryCount):
        averageGrade += float(input())

    averageGrade /= juryCount
    finalAssessment += averageGrade
    print("%s - %.2f." % (presentationName, averageGrade))
    presentationsCount += 1

finalAssessment /= presentationsCount
print("Student's final assessment is %.2f." % finalAssessment)