save project

my_tree.py

@@ -12,7 +12,7 @@ def tree(n):
         pen.backward(n)
         pen.backward(n)
         pen.down()
         pen.down()
 
 
-        pebpen = turtle.Turtle()
+pen = turtle.Turtle()
 pen.color('sienna')
 pen.color('sienna')
 # 画布大小
 # 画布大小
 w = turtle.Screen()
 w = turtle.Screen()