auto save

hfd.py

+num_list=[1,3,5,8,11,15,17,18,20,21]
+mid=(low+high)//2
+guess=num_list[mid]
+if guess==17:
+    print("zhao")
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my_tree.py

 import turtle
 import random
 pen = turtle.Turtle()
+colors=['snow','lightcoral']
 pen.color('sienna')
 # 画布大小
 w = turtle.Screen()
@@ -11,17 +12,27 @@ pen.penup()
 pen.backward(150)
 pen.down()
 def tree(n):
-    if n>=50:
+    if n>=0:
+        if n<=12:
+            color=random.choice(colors)
+            pen.pencolor(color)
+            pen.pensize(n/2)
+        else:
+            pen.pensize(n/10)
+            pen.pencolor('sienna')
         pen.forward(n)
-        pen.right(30)
-        tree(n-10)
-        pen.left(60)
-        tree(n-10)
-        pen.right(30)
+        a=random.randint(0,30)
+        l=random.randint(1,15)
+        pen.right(a)
+        tree(n-l)
+        pen.left(2*a)
+        tree(n-l)
+        pen.right(a)
         pen.up()
         pen.backward(n)
         pen.down()
-tree(100)
+        
+tree(70)
 # 移动到起点
 
 turtle.done()
\ No newline at end of file