level 1
2
3
turtle
ARC length angle
CIRCLE radius
CLEARTEXT
HIDETURTLE
PENWIDTH width
PRINT [ . ]
RESET
SETHEADING angle
SETX x
SETXY x y
SETY y
SHOWTURTLE
maths
ARCTAN number
COS angle
INT number
RANDOM number
ROUND number
SIN angle
SQRT number
lists
BUTFIRST list
BUTLAST list
FIRST list
FPUT thing list
ITEM index thing
LAST list
LPUT thing list
SETITEM index array value
reset setpensize 6 COLOUR "black circle 30 pu setxy 100 100 pd circle 30 pu setxy -0 -0 setxy -100 100 pd circle 30 pu setxy -0 -0 setxy -100 -100 pu setxy -0 -0 rt 180 fd 50 pd lt 90 arc 180 180 arc 150 180 pu fd 150 pd fd 30 rt 180 fd 30 pu fd 300 pd fd 30 pu setxy -0 -0 rt 90 setxy 100 100 pd lt 90 arc 50 180 pu setxy -100 100 pd arc 50 180 pu setxy -0 -0 fd 5 pd rt 90 fd 3 rt 90 pu fd 10 rt 90 pd fd 3 pu setxy 100 100 pd COLOUR "blue circle 10 COLOUR "black circle 5 pu setxy -0 -0 setxy -100 100 COLOUR "blue pd circle 10 COLOUR "black circle 5 pu setxy -70 -198 fd 18 rt 199 pd fd 20 rt 90 fd 20 rt 90 fd 20 lt 100 pu fd 100 lt -170 rt 90 fd 15 lt 12 pd fd 15 lt 90 fd 15 lt 90 fd 15 pu setxy -0 -0 rt 10 pd arc 240 90 rt 90 arc 240 90 rt 90 arc 240 90 rt 90 arc 240 90 lt 90 pu fd 220 pd rt 180 lt 88 fd 20 rt 180 fd 10 rt 180 COLOUR "blue arc 90 180 pu setxy -0 -0
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