save project

my_tree.py

@@ -2,14 +2,21 @@ import turtle
 
 
 pen = turtle.Turtle()
 pen = turtle.Turtle()
 pen.color('sienna')
 pen.color('sienna')
+pen.speed(5)
 # 画布大小
 # 画布大小
 w = turtle.Screen()
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 w.bgcolor('wheat')      # wheat小麦
 
 
 # 移动到起点
 # 移动到起点
+
 pen.left(90)
 pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
-
+pen.forward(150)
+pen.left(30)
+pen.forward(50)
+pen.backward(50)
+pen.right(60)
+pen.forward(50)
 turtle.done()
 turtle.done()