save project

my_tree.py

@@ -14,6 +14,7 @@ pen.backward(150)    # 后退
 pen.down()
 pen.down()
 
 
 def tree(n):
 def tree(n):
+    pen.speed(0)
     if n>=0:
     if n>=0:
         if n<=12:
         if n<=12:
             color_list=["snow","lightcoral"]
             color_list=["snow","lightcoral"]