left4.1
left number 
The turtle turns left by number degrees, relative to its current orientation. While left in a 2D world only modifies the turtle's heading, left in a 3D world may also modify the turtle's pitch and roll.
The turtle turns left by number degrees, relative to its current orientation. While left in a 2D world only modifies the turtle's heading, left in a 3D world may also modify the turtle's pitch and roll.
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