save project

my_tree.py

@@ -12,7 +12,7 @@ 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.right(30)
 pen.forward(50)
 pen.forward(50)
 pen.backward(50)
 pen.backward(50)
 pen.left(60)
 pen.left(60)