save project

my_search.py

@@ -7,17 +7,17 @@ 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):
-    bingo_num=input()
-    num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
     low=0
     high=len(alist)-1
     while low <= high:
         mid=(high+low)//2
-        guess_num=alist[mid]
-        if guess_num==bingo_num:
+        guess=alist[mid]
+        if guess==bingo:
             return True
-        elif guess_num<bingo_num:
+        elif guess<bingo:
             low=mid+1
         else:
             high=mid-1
     return None
+a=binary_search(alist,num)
+print(a)
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