save project

my_tree.py

@@ -12,12 +12,15 @@ pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
 pen.forward(100)
 pen.forward(100)
-pen.right(30)
+pen.left(30)
 pen.forward(50)
 pen.forward(50)
 pen.up()
 pen.up()
 pen.backward(50)    # 后退
 pen.backward(50)    # 后退
 pen.down()
 pen.down()
-pen.left(60)
+pen.right(60)
 pen.forward(50)
 pen.forward(50)
 pen.up()
 pen.up()
+pen.backward(50)
+pen.left(30)
+pen.backward(100)
 turtle.done()
 turtle.done()