auto save

my_tree.py

 import turtle
 import turtle
+import random
 
 
 pen = turtle.Turtle()
 pen = turtle.Turtle()
-pen.color('sienna')
+pen.pencolor('sienna')
 # 画布大小
 # 画布大小
 pen.speed(10)
 pen.speed(10)
 w = turtle.Screen()
 w = turtle.Screen()
@@ -10,6 +11,7 @@ w.bgcolor('wheat')      # wheat小麦
 def tree(n):
 def tree(n):
     if n>=50:
     if n>=50:
         pen.forward(n)
         pen.forward(n)
+        a = random.randint(0,30)
         pen.right(30)
         pen.right(30)
         tree(n-10)
         tree(n-10)
         pen.left(60)
         pen.left(60)