save project

my_search.py

-import random
+import turtle
+pen=turtle.Pen()
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    distance=distance+1
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
+ 
 
 
-alist = []
-for i in range(1, 101):
-    alist.append(i)
-num = random.choice(alist)
-# 请完善二分查找函数binary_search(),查找出num在列表alist里面的索引位置
-
-def binary_search(alist,num):
-    while low<=high:
-        guess_num=(low+high)-1
-        guess_num=num
-        if guess_num==num:
-            return None
-        elif guess_num<num:
-            low=num+1
-        elif guess_num>num:
-            high=num-1
-binary_search
\ No newline at end of file