grade = Console.ReadLine();


            Console.WriteLine(grade);

            grade = Console.ReadLine();


            Console.WriteLine(grade);

 string v = Console.ReadLine(grade);

 string v = Console.ReadLine(grade);

 var grade = new Dictionary<string, float>()
 {

     ["A+"]=4.0f,
     ["A"]=4.0f,
     ["A-"]=3.7f,
     ["B+"]=3.3f,
     ["B"]=3,
     ["B-"]=2.7f,
     ["C+"]=2.3f,
     ["C"]=2,
     ["C-"]=1.7f,
     ["D+"]=1.3f,
     ["D"]=1,
     ["F"]=0,
 };

 

          
 Console.ReadLine(grade);
 Console.WriteLine(grade);

 var grade = new Dictionary<string, float>()
 {

     ["A+"]=4.0f,
     ["A"]=4.0f,
     ["A-"]=3.7f,
     ["B+"]=3.3f,
     ["B"]=3,
     ["B-"]=2.7f,
     ["C+"]=2.3f,
     ["C"]=2,
     ["C-"]=1.7f,
     ["D+"]=1.3f,
     ["D"]=1,
     ["F"]=0,
 };

 

          
 Console.ReadLine(grade);
 Console.WriteLine(grade);

  string[] grades = {"A+","A","A-","B+","B","B-","C+","C","C-","D+","D","F"};

  var grade = new Dictionary<string, float>()
  {

      ["A+"]=4.0f,
      ["A"]=4.0f,
      ["A-"]=3.7f,
      ["B+"]=3.3f,
      ["B"]=3,
      ["B-"]=2.7f,
      ["C+"]=2.3f,
      ["C"]=2,
      ["C-"]=1.7f,
      ["D+"]=1.3f,
      ["D"]=1,
      ["F"]=0,
  };
  

 

  Console.WriteLine(grade["B+"]);
  Console.ReadLine();

  string[] grades = {"A+","A","A-","B+","B","B-","C+","C","C-","D+","D","F"};

  var grade = new Dictionary<string, float>()
  {

      ["A+"]=4.0f,
      ["A"]=4.0f,
      ["A-"]=3.7f,
      ["B+"]=3.3f,
      ["B"]=3,
      ["B-"]=2.7f,
      ["C+"]=2.3f,
      ["C"]=2,
      ["C-"]=1.7f,
      ["D+"]=1.3f,
      ["D"]=1,
      ["F"]=0,
  };
  

 

  Console.WriteLine(grade["B+"]);
  Console.ReadLine();

Console.WriteLine(grades["B+"]);

Console.WriteLine(grades["B+"]);