save project

my_tree.py

@@ -7,9 +7,15 @@ w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 
 # 移动到起点
-pen.left(90)
-pen.up()
-pen.backward(150)    # 后退
-pen.down()
-
+turtle.left(90)
+turtle.forward(-150)
+turtle.forward(150)
+turtle.right(30)
+turtle.forward(50)
+turtle.up()
+turtle.goto(0,0)
+turtle.down()
+turtle.left(60)
+turtle.forward(50)
+turtle.hideturtle()
 turtle.done()