永夜初晗凝碧天 week12

 期中作業雛形

```java

void setup()

{

  size(1800,900);

  for(int i=0;i<100;i++)

  {

    int a=int(random(1800));

    int b=int(random(900));

    int c=int(random(80));

    fill(125);

    ellipse(a,b,c,c);

  }

}

void draw()

{

  fill(0);

  ellipse(400,400,50,50);

}

```