save project

my_tree.py

@@ -7,6 +7,10 @@ w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 w.bgcolor('wheat')      # wheat小麦
 
 
     # 移动到起点
     # 移动到起点
+pen.left(90)
+pen.up()
+pen.backward(150)
+pen.down()
     
     
 #画树
 #画树
 def tree(n):
 def tree(n):
@@ -16,9 +20,6 @@ def tree(n):
         tree(n-10)
         tree(n-10)
         pen.left(60)
         pen.left(60)
         tree(n-10)
         tree(n-10)
-    pen.up()
-    pen.backward(150)    
-    pen.down(60)
         pen.right(30)
         pen.right(30)
         pen.up()
         pen.up()
         pen.backward(n)
         pen.backward(n)