save project

my_tree.py

@@ -2,27 +2,18 @@ import turtle
 import random
 
 def tree(n):
-    if n >= 0:
-        if n <= 12:
-            yslb = ['snow','lightcoral']
-            color = random.choice(yslb)
-            t.color(color)
-            t.pensize(n / 3)
-        else:
-            t.color('sienna')
-            t.pensize(n / 10)
-        t.forward(n)                                                      #timi,bmfsdcds
-        a = random.random()
-        t.right(30 * a)
-        l = 1.5 * random.random()
-        tree(n-10*l)
-        t.left(60*a)
-        tree(n-10 * l)
-        t.right(30 * a)
+    if n >= 10:
+        t.forward(n)
+        t.right(30)
+        tree(n - 10)
+        t.left(60)
+        tree(n - 10)
+        t.right(30)
         t.up()
         t.backward(n)
         t.down()
-        t.speed(0)
+
+
 t = turtle.Turtle()
 t.color('sienna')
 # 画布大小