格式化输入输出

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int i = 24, j = 32; //def two var
            Console.WriteLine("{0} + {1} = {2}", i, j, i + j);  // output
            // {} present break point, one {} presented a var, generally started from 0, the results is 23+32

            Console.WriteLine("{0,6}\n+{1,5}\n--------------\n{2,6}", i, j, i+j );// output
            // the first var presented a var that has been introduced, the second var presented a width,
            // such as {0,6}shows that the var less than the width 6 is insteaded by blanks, the \n presented line break

            decimal a = 72.18m;
            Console.WriteLine("{0,6:C2}",a ); // 0 is presenting a var,6 is presented a width, C is presented currency symbol
                                              // 2 is presenting a the reserve digit of the radix point and can not exceed
                                              // the highest digit of decimal
       
       
    
        }
    }
}