auto save

my_tree.py

 import turtle
 import random
 def tree(n):
-    if n >= 10:
+    if n > 10:
         if n<=12:
             color_list=['snow','lightcoral']
             color = random.choice(color_list)
@@ -24,7 +24,7 @@ def tree(n):
 
 pen = turtle.Turtle()
 pen.color('sienna')
-pen.speed(30)
+pen.speed(20)
 # 画布大小
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
@@ -35,6 +35,6 @@ pen.up()
 pen.backward(150)    # 后退
 pen.down()
 
-tree(65)
+tree(60)
 
 turtle.down
\ No newline at end of file