save project

my_tree.py

+import turtle
+from random import *
+pen = turtle.Turtle()
+pen.color('sienna')
+# 画布大小
+w = turtle.Screen()
+w.bgcolor('wheat')      # wheat小麦
+
+# 移动到起点
+pen.speed(1000000)
+pen.left(90)
+pen.up()
+pen.backward(150)    # 后退
+pen.down()
+
+def zhu(zhu_):
+    if zhu_>=0:
+        if zhu_<=12:
+            pen.color(choice(["snow","lightcoral"]))
+            pen.pensize(zhu_/3)
+        else:
+            pen.pensize(zhu_/10)
+            pen.color("sienna")
+        pen.forward(zhu_*1.2)
+        zhu___=randint(1,15)
+        zhu__=randint(0,30)
+        pen.right(zhu__)
+        zhu(zhu_-zhu___)
+        pen.left(zhu__*2)
+        zhu(zhu_-zhu___)
+        pen.penup()
+        pen.right(zhu__)
+        pen.backward(zhu_*1.2)
+        pen.pendown()
+
+zhu(60)
+turtle.done()
+