save project

my_tree.py

@@ -11,5 +11,17 @@ pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
+pen.forward(100)
 
 
+pen.right(30)
+pen.forward(50)
+pen.up()
+pen.forward(-50)
+pen.down()
+pen.left(60)
+pen.forward(50)
+pen.up
+pen.forward(-50)
+pen.right(30)
+pen.forward(-100)
 turtle.done()
 turtle.done()
\ No newline at end of file