save project

my_tree.py

@@ -2,14 +2,28 @@ import turtle
 
 pen = turtle.Turtle()
 pen.color('sienna')
-# 画布大小
+                        # 画布大小
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 
-# 移动到起点
+                        # 移动到起点
 pen.left(90)
 pen.up()
-pen.backward(150)    # 后退
+pen.backward(150)       # 后退
 pen.down()
 
+
+pen.forward(100)
+pen.right(30)
+pen.forward(50)
+pen.penup()
+pen.forward(-50)
+pen.left(60)
+pen.down()
+pen.forward(50)
+pen.penup()
+pen.forward(-50)
+pen.right(30)
+pen.forward(-100)
+
 turtle.done()