MultiDict01Average Student Grades test

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MultiDictionaries
{
    class Program
    {
        static void Main(string[] args)
        {
            var studentsGrades = new Dictionary<string, List<double>>();
            double inputCount = double.Parse(Console.ReadLine());

            for(int i = 0; i < inputCount; i++)
            {
                string[] input = Console.ReadLine().Split(' ');
                string name = input[0];
                double grade = double.Parse(input[1]);
                int count = 0;
                double[] average = ;

                if(!studentsGrades.ContainsKey(name))
                {
                    studentsGrades.Add(name,new List<double>());
                }
                studentsGrades[name].Add(grade);


            }

            foreach(KeyValuePair<string, List<double>> record in studentsGrades)
            {
                string name = record.Key;
                List<double> grades = record.Value;


                Console.WriteLine("{0} -> {1}", name, string.Join(" ", grades));
            }


        }
    }
}