save project

my_tree.py

 import turtle
 import turtle
-
 pen = turtle.Turtle()
 pen = turtle.Turtle()
 pen.color('sienna')
 pen.color('sienna')
 # 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()
@@ -17,7 +15,6 @@ pen.forward(50)
 pen.backward(50)
 pen.backward(50)
 pen.left(60)
 pen.left(60)
 pen.forward(50)
 pen.forward(50)
-
 pen.backward(50)
 pen.backward(50)
 pen.right(30)
 pen.right(30)
 pen.backward(100)
 pen.backward(100)