save project

my_tree.py

@@ -2,14 +2,23 @@ import turtle
 
 pen = turtle.Turtle()
 pen.color('sienna')
-# 画布大小
+
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 
+
 # 移动到起点
 pen.left(90)
+pen.fd(100)
+pen.left(30)
+pen.fd(100)
 pen.up()
-pen.backward(150)    # 后退
+pen.backward(100) 
+pen.pd()
+pen.right(60)
+pen.fd(100)
+pen.pu()
+pen.backward(100)   # 后退
 pen.down()
 
 turtle.done()