save project

my_tree.py

 import turtle
 
 pen = turtle.Turtle()
-pen.color('sienna')
+pen.color('green')
 # 画布大小
 w = turtle.Screen()
-w.bgcolor('wheat')      # wheat小麦
+w.bgcolor('black')      # wheat小麦
 
 # 移动到起点
 pen.left(90)
@@ -26,7 +26,4 @@ pen.forward(-50)
 pen.up()
 pen.right(30)
 pen.forward(-100)
-
-
-
 turtle.done()