You have already programmed an app in the snap programming language.
A program is a set of scripts that tell a computer what to do. A script is an ordered (top to bottom) sequence of instructions. In snap, you program by dragging blocks (individual instructions) and snapping them together into scripts.
Now, you will experiment with some more blocks that snap provides to learn what they do. Soon, you will create your own blocks of code—blocks that snap doesn't have.
set pen sizeblock after you've entered the number you want.
repeat [move, turn]script that you made above, but use tiny turns (1 or 2 degrees) repeated many times. Adjust the size so that your drawing fits on the stage.