python-模块-turtle-分形树

题目要求 import turtle; def draw_shu(lengh): if lengh>=5: turtle.forward(lengh) turtle.right(20)#向右旋转20度 draw_shu(lengh-10) turtle.left(40)#向左旋转40度 draw_shu(lengh-10) turtle.right(20) turtl

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