save project

my_tree.py

@@ -5,9 +5,12 @@ pen.color('sienna')
 # 画布大小
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
-
+w.bgcolor("wheat")
 def tree(n):
     if(n>=50)：
+    if n<=12
+         x=["snow","lightcoral"]
+        y=random.choice(x)
         pen.forward(n)
         pen.right(30)
         tree(n-10)