save project

my_tree.py

 import turtle
 import turtle
-def shuzhi(n):
-    if n>=50:
-        pen.fd(n)
-        pen.rt(30)
-        shuzhi(n-10)
-        pen.lt(60)
-        shuzhi(n-10)
-        pen.rt(30)
-        pen.up()
-        pen.bk(n)
-        pen.down()
+
 pen = turtle.Turtle()
 pen = turtle.Turtle()
-pen.color('sienna')
 pen.speed(0)
 pen.speed(0)
 
 
+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
@@ -23,7 +13,12 @@ pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
-shuzhi(100)
+pen.fd(200)
+pen.lt(30)
+pen.fd(100)
+pen.fd(-100)
+pen.rt(60)
+pen.fd(100)
 
 
 
 
 turtle.done()
 turtle.done()