Created gradebook

Garage/Garage.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Garage/Program.cs

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+using System;
+
+
+public class Program
+{
+
+	public static void Main()
+	{
+        // instantiating a new instance of person, and  passing names to the constructor;
+        Person Jill = new Person("Jill");
+        Person Chris = new Person("Chris");
+        Person Rebecca = new Person("Rebecca");
+        Person Barry = new Person("Barry");
+
+        // instantiating a new instance of car, and  passing colors to the constructor;
+		Car blueCar = new Car("blue");
+        Car redCar = new Car("red");
+        Car greenCar = new Car("green");
+        Car whiteCar = new Car("white");
+
+        //Assigning Persons names to cars
+        blueCar.Name = Jill.Name;
+        redCar.Name = Barry.Name;
+        greenCar.Name = Chris.Name;
+        whiteCar.Name = Rebecca.Name;
+
+        // instantiating a new instance of Garage class, and passing in a size of 4 to the constructor;
+		Garage smallGarage = new Garage(4);
+
+        // calling a method Parkcar of the smallGarage instance, with inputs of car color and parking space
+		smallGarage.ParkCar(blueCar, 0);
+        smallGarage.ParkCar(redCar, 1);
+        smallGarage.ParkCar(greenCar, 2);
+        smallGarage.ParkCar(whiteCar, 3);
+
+        // printint out the cars attribute of the small garage
+		Console.WriteLine(smallGarage.Cars);
+	}
+}
+
+class Car
+{ 
+    // once the color is set i cant change it, outisde of this class
+    public string Color {get; private set;}
+
+    // Name can be set outside of class
+    public string Name{get; set;}
+
+    // Car constructor 
+    public Car(String color)
+    {
+        this.Color = color;
+    }
+}
+
+class Person
+{
+    //attribute for persons name
+    public string Name { get; private set;}
+
+    //Person constructor
+    public Person(string name){
+        this.Name = name;
+    }   
+}
+
+class Garage
+{
+    // creates array of cars so they can be parked in the for loop down below
+    public Car[] cars;
+
+    // constructor , int of initial size
+    public Garage(int initialSize)
+    {
+        // setting the size of this garage
+    	Size = initialSize;
+        // instantiating an array of Cars, of size initialsize
+	    this.cars = new Car[initialSize];
+    }
+
+    //attribute , private for number of slots in the garage.
+    public int Size { get; private set; }
+
+    // a method that adds a car to the spot in the cars array
+    public void ParkCar (Car car, int spot)
+    {
+        // what if there is a car already in the spot?
+        // what if the spot passed in is outside the array?
+        cars[spot] = car;
+    }
+    public string Cars {
+		get {
+            String carsString = "";
+            //parks cars in spot 
+			for (int i = 0; i < cars.Length; i++)
+			{
+				if (cars[i] != null) {
+					carsString += String.Format("{2}'s {0} car is in spot {1}.", cars[i].Color, i, cars[i].Name);
+                    carsString += "\n";
+				}
+			}
+			return carsString;
+		}
+	}
+}
+

Gradebook/Gradebook.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Gradebook/Program.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Gradebook
+{
+    class Program
+    {
+        public static void Main()
+        {
+            Gradebook book = new Gradebook();
+            book.run();
+        }
+    }
+
+    //Creates dictionary with name as key and a list of grades as values.
+    class book{
+        Dictionary<string, Value> grades = new Dictionary<string,Value>();
+    }
+
+    class Gradebook
+    {
+
+        public void run(){
+            Gradebook.getUserInput(new Dictionary<string, List<int>>());
+        }
+
+        public static void getUserInput(Dictionary<string, List<int>> grades){
+            string status = "y";
+
+            //promts user to add name that is added as key in dictionary. Then           
+            while (status != "n" && status != "no")
+            {
+                //prompts user to add name
+                Console.WriteLine("Please enter student name:");
+                string name = Console.ReadLine();
+                //runs loop to ask user for grades
+                List<int> gradeList = Value.Add();
+                //adds name and list of grades to dictionary
+                grades.Add(name,gradeList);
+                //asks user if they want to add another student thus repeating this while loop.
+                Console.WriteLine("Would you like to enter a new student?(Y/N)");
+                status = Console.ReadLine().ToLower();
+            }
+            //Writes each sudents Name, grade average, max grade, and min grade.
+            foreach (var key in grades.Keys)
+            {
+                Console.WriteLine("Name: " + key);
+                Console.WriteLine("Average: " +grades[key].Average());
+                Console.WriteLine("Max: " + grades[key].Max());
+                Console.WriteLine("Minimum: " + grades[key].Min());
+            }
+        }
+    }
+    class Value
+    {
+        //promts user to add grade and if they want to keep adding grades. Then returns the grades.
+        public static List<int> Add()
+        {
+            var grades = new List<int>();
+            string keepAdding = "y";
+            while (keepAdding != "n"&&keepAdding != "no")
+            {
+                //prompts user for grade then adds input to list
+                Console.WriteLine("Please enter a grade:");
+                grades.Add(Convert.ToInt16(Console.ReadLine()));
+                //asks user if they want to keep adding grades
+                Console.WriteLine("Keep adding grades?(Y/N)");
+                keepAdding = Console.ReadLine().ToLower();   
+            }
+            return grades;
+        }
+    }
+}