save project

my_tree.py

 import turtle
 import random
 a=random.randint(1,2)
+if a==1:
+    w.bgcolor('beige')# beige米白
+else:
+    w.bgcolor('wheat')# wheat小麦
+
 pen = turtle.Turtle()
 pen.color('sienna')
 pen.speed(100000000)
 # 画布大小
 w = turtle.Screen()
+a=random.randint(1,2)
 if a==1:
     w.bgcolor('beige')# beige米白
 else: