save project

my_search.py

 import random
 
+
 alist = []
 for i in range(1, 101):
     alist.append(i)
@@ -7,3 +8,11 @@ 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):
+    low=0
+    high=len(alist)-1
+    while low<high:
+        mid=(low+high)//2
+        gurss=alist[mid]
+        if :
+            return mid
+        
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