请大家帮忙给我讲一下执行过程
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Diamond
{
class Program
{
static void Main(string[] args)
{
int q = Convert.ToInt32(Console.ReadLine());
for (int i = 1; i <= q;i++ )
{
for (int j = 1; j <=q-i;j++ )
{
Console.Write(" ");
}
for (int k = 1; k <= 2 * i - 1;k++ )
{
Console.Write("*");
}
Console.WriteLine();
}
for (int i = 1; i <= q - 1;i++ )
{
for (int j = 1; j <= i;j++ )
{
Console.Write(" ");
}
for (int k = 1; k <= 2 * q - 2 * i - 1; k++)
{
Console.Write("*");
}
Console.WriteLine();
}
}
}
}
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