auto save

my_tree.py

@@ -12,4 +12,17 @@ pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
 
 
+pen.forward()
+pen.right()
+pen.forward()
+pen.backward()
+pen.left()
+pen.forward()
+
+
+
+
+
+
+
 turtle.done()
 turtle.done()