auto save

my_tree.py

@@ -13,9 +13,23 @@ pen.backward(150)    # 后退
 pen.down()
 pen.down()
 
 
 def tree(n):
 def tree(n):
-    if n>=50:
+    if n>=0:
+        if n<=12:
+            color_list = ['show','lightcoral']
+            color=random.choice(color_list)
+            pen.color(color)
+            pen.pensize(n/10)
+        else:
+            pen.color('sienna')
+            pen.pensize(n/10)    
         pen.forward(n)
         pen.forward(n)
-        pen.right(30)
+        angle=randdom.random()
+        pen.right(30*angle)
+        lenght=1.5*random.randdom()
+        tree()
+
+
+        
         tree(n-10)
         tree(n-10)
         pen.left(60)
         pen.left(60)
         tree(n-10)
         tree(n-10)