Console-Calculator-App/Program.cs at master · Dips97/Console-Calculator-App · GitHub

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

namespace ConsoleCalculator
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Enter the action to be performed");
            Console.WriteLine("Press 1 for Addition");
            Console.WriteLine("Press 2 for Substraction");
            Console.WriteLine("Press 3 for Multiplication");
            Console.WriteLine("Press 4 for Division");
            int action = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("Enter 1st input");
            int input_1 = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("Enter 2nd input");
            int input_2 = Convert.ToInt32(Console.ReadLine());
            int result = 0;
            if(action==1)
            {
                result = input_1 + input_2;

            }
            else if(action==2)
            {
                result = input_1 - input_2;
                    }
            else if(action==3)
            {
                result = input_1 * input_2;
            }
            else if(action==4)
            {
                result = input_1 / input_2;
            }
            else
            {
                Console.WriteLine(" Invalid expression !! ");
            }
            //First Comment
			//Second Comment
			//Third Changes
			//switch (action)
            //{
            //    case 1:
            //        {
            //            result = Addition(input_1, input_2);
            //            break;
            //        }
            //    case 2:
            //        {
            //            result = Substraction(input_1, input_2);
            //            break;
            //        }
            //    case 3:
            //        {
            //            result = Multiplication(input_1, input_2);
            //            break;
            //        }
            //    case 4:
            //        {
            //            result = Division(input_1, input_2);
            //            break;
            //        }
            //    default:

            //            Console.WriteLine("Wrong action ! ! try again");
            //            break;

            //}
            Console.WriteLine("The result is {0}", result);
            Console.ReadKey();
        }
        //Addition
        public static int Addition(int input_1, int input_2)
        {
            int result = input_1 + input_2;
            return result;
        }
        //Substraction
        public static int Substraction(int input_1, int input_2)
        {
            int result = input_1 - input_2;
            return result;
        }
        //Multiplication
        public static int Multiplication(int input_1, int input_2)
        {
            int result = input_1 * input_2;
            return result;
        }
        //Division
        public static int Division(int input_1, int input_2)
        {
            int result = input_1 / input_2;
            return result;
        }
    }
}