用Python-turtle库作图可以画出哪些漂亮的树?

# 图一: from turtle import * from random import * from math import * def tree(n, l): pd() # 下笔 # 阴影效果 t = cos(radians(heading() + 45)) / 8 + 0.25 pencolor(t, t, t) pensize(n / 4)

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