save project

my_search.py

@@ -7,3 +7,16 @@ 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:
+    mid=(low+high)//2
+    num1=num_alist[mid]
+    if num1==num:
+        print('找到了'，mid)
+        break
+    elif num1<num:
+        low=mid+1
+    elif num1>num:
+        high=mid-1
+
+a=binary_search()
+print(a)
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