OpenGL gives blank window

OpenGL
1

hi all… iam new to Open GL and is trying to print 2 dots on the window.but just a blank window is displaying all the time… please help me with this thank u

this is the code iam trying


#include<gl/gl.h>
#include<gl/glu.h>
#include<gl/glut.h>
void myinit()
{
   glPointSize(10);
  glClearColor(1.0,1.0,0.0,1.0);
    glColor3f(1.0,0.0,0.0);
   }
    void display()
{
    glBegin(GL_POINTS);
    glVertex2i(10,20);
    glVertex2i(30,40);
        glEnd();
        glFlush();
    }
int main(int argc, char** argv) {
    glutInit(&argc,argv);
    glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB);
    glutInitWindowSize(640,480);
    glutInitWindowPosition(100,12);
    glutCreateWindow("Example");
    glutDisplayFunc(display);
    myinit();
    glutMainLoop();
        return 0;
}
2

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