• + 0 comments

    if name == 'main': n = int(input()) student_marks = {} for _ in range(n): name, *line = input().split() scores = list(map(float, line)) student_marks[name] = scores query_name = input()

    marks=student_marks.get(query_name)
    sum_marks=0
    count_num=0
    for i in marks:
        sum_marks+=i
        count_num+=1
    avg_marks=(sum_marks/count_num)
    print("{:.2f}".format(avg_marks))