# Lesson goal: Learn to draw simple computer graphics

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After you can draw pixels and lines, the next step will be drawing circles. The computer knows how to automatically draw a circle, centered at any (x,y) point with some radius. Circles are drawn using the circle function, which works like this:
circle(x,y,R)

# Now you try. Plot a lines using circle.

Show a friend, family member, or teacher what you've done!

1. Use [Control]-[C] (Windows) or [⌘]-[C] (MacOS) to copy your code.

2. Paste it using [Control]-[V] (Windows) or [⌘]-[V] (MacOS) into this page

3. Then click the "Use on iPhone" button that you'll see.