auto save

my_tree.py

 import turtle
 import turtle
 
 
+def tee(n):
+    if n>=50:
+        pen.forward(n)
+        pen.right(30)
+        tree(n-50)
+        pen.left(30)
+        pen.left(30)
+        tree(n-50)
+        pen.right(30)
+        pen.up()
+        pen.backward(n)
+        pen.down()
+
 pen = turtle.Turtle()
 pen = turtle.Turtle()
 pen.color('sienna')
 pen.color('sienna')
 # 画布大小
 # 画布大小
@@ -11,11 +24,4 @@ pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)
 pen.backward(150)
 pen.down()
 pen.down()
-pen.pensize(10)
-pen.forward(100)
-pen.right(30)
-pen.forward(100)
-pen.forward(-100)
-pen.left(60)
-pen.forward(100)
 turtle.done()
 turtle.done()