使用easyx画出推特形式的对话格式，左边的人说你好，右边的人说hi

void draw_dialogue(string s1,string s2){
  int x1 = 20, x2 = 300, y1 = 20, y2 = 20;
  drawtext(x1,y1,s1,20,"black");
  drawtext(x2,y2,s2,20,"black");
  
}