Editing Karel (programming language) (section)

=== Primitive functions ===
The following are the primitive functions.

<code>move()</code>: Karel moves one square in the direction it is facing.

<code>turn_left()</code>: Karel turns left by 90 degrees.

<code>put_beeper()</code>: Karel puts a beeper on its current square.

<code>pick_beeper()</code>: Karel picks up a beeper from its current square.

<code>paint_corner(COLOR_NAME)</code>: Karel paints its current corner with a color. There is a finite list of available colors.