Chris Pro Homework 2.1 part 2

//Chris Pro Homework 2.1 Part 2

//fix the 16 errors

void setup(){
size(200,200);
}

void draw(){
background(0);
fill(255,255);
ellipse(100,100,100,100);
line(100,100,200,200);
rect(mouseX, mouseY, 50,50);
}