4_7_FruitShop_Dictionary

using System;
using System.Collections.Generic;


class FruitShop
{
    static void Main()
    {
        var fruit = Console.ReadLine().ToLower();
        var day = Console.ReadLine().ToLower();
        var quantity = double.Parse(Console.ReadLine());
        var price = -1.0;

        Dictionary<string, double> pricesWeek = new Dictionary<string, double>
        { { "banana", 2.50 }, { "apple",1.20}, { "orange",0.85},
            {"grapefruit",1.45}, {"kiwi",2.70}, { "pineapple",5.50}, { "grapes",3.85}
        };
        Dictionary<string, double> pricesWeekend = new Dictionary<string, double>
        { { "banana", 2.70 }, { "apple",1.25}, { "orange",0.90},
            {"grapefruit",1.60}, {"kiwi",3.00}, { "pineapple",5.60}, { "grapes",4.20}
        };

        if (day == "monday" || day == "tuesday" || day == "wednesday" || day == "thirsday" || day == "friday")
        {
            price = quantity * pricesWeek[fruit];
            Console.WriteLine("{0:f2}", price);
        }
        else if (day=="saturday" || day=="sunday")
        {
            price = quantity * pricesWeekend[fruit];
            Console.WriteLine("{0:f2}", price);
        }
        else
        {
            Console.WriteLine("error");
        }
    }
}