auto save

my_tree.py

 import turtle
 import turtle
-
+import time
+import random
+import F
+time1=time.time()
 pen = turtle.Turtle()
 pen = turtle.Turtle()
-pen.color('sienna')
+
 # 画布大小
 # 画布大小
 w = turtle.Screen()
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 w.bgcolor('wheat')      # wheat小麦
+l=['snow','lightcoral']
+pen.
+a=l
+def aaa(n):
+    if n >=0:    
+        if n<=10:
+
+            pen.pensize(n)
+            pen.pencolor(random.choice(a))
+        else:
+            pen.pensize(n/10)
+            pen.color('sienna')
+        l=random.randint(5,15)
+        g=random.randint(15,30)
+        pen.forward(n)  
+        pen.right(g)
+        aaa(n-l)
+        pen.left(g*2)
+        aaa(n-l)
+        pen.right(g)
+        pen.up()
+        pen.backward(n)
+        pen.down()
 
 
 # 移动到起点
 # 移动到起点
 pen.left(90)
 pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
-
-pen.forward(100)    #绘制二叉树
-pen.right(30)
-pen.forward(50)
-pen.backward(50)
-pen.left(60)
-pen.forward(50)
-pen.backward(50)
-pen.right(30)
-pen.backward(100)
-
+aaa(80)
+time2=time.time()
+print(time2-time1)
 turtle.done()
 turtle.done()