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Movement
| forward(n) | Move forward n pixels. Alias: fd |
| back(n) | Move backward n pixels. Alias: bk |
| left(degrees) | Turn left. Alias: lt |
| right(degrees) | Turn right. Alias: rt |
| setpos(x, y) | Move to coordinates (x, y) |
| setheading(angle) | Face a direction (0=east, 90=north). Alias: seth |
| home() | Return to center, face east |
Pen
| penup() | Stop drawing. Alias: pu |
| pendown() | Start drawing. Alias: pd |
| pensize(n) | Set line width |
| pencolor(r, g, b) | Set color with RGB (0–1 or 0–255) |
| pencolor("name") | Set color by name: "red", "blue", "gold", etc. |
Shapes
| circle(radius) | Draw a full circle |
| circle(radius, extent) | Fraction of a circle: 1/4, 1/2, etc. |
| arc(radius, degrees) | Draw an arc of the given degrees |
Fill
| begin_fill() | Start recording a filled shape |
| end_fill() | Fill the shape drawn since begin_fill |
| setfillcolor(r, g, b) | Set fill color (defaults to pen color) |
Canvas
| bgcolor(r, g, b) | Set background color |
| clear() | Erase drawing, keep turtle position |
| reset() | Erase drawing and reset turtle to start |
| speed(n) | Animation speed: 0=instant, 1=slow, 10=fast |
State Queries
| position() | Returns x, y coordinates |
| heading() | Returns current angle in degrees |
| isdown() | Returns true if pen is down |