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my_search.py

@@ -5,5 +5,10 @@ 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
-
+low=0
+high=len(alist)-1
 def binary_search(alist,num):
+    low=0
+    high=len(alist)-1
+    while :
+        mid=len
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