save project

my_search.py

@@ -6,4 +6,18 @@ for i in range(1, 101):
 num = random.choice(alist)
 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
 # 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):
+def binary_search(alist,num):
\ No newline at end of file
+    low=0
+    higo=len(alist)-1
+while  low<high:
+    mld=(low+high)//2
+    guess=num_list[mid]
+    if guess==bingr_num:
+        print
+        break
+    elif guess<bing-num-2
+        low=mid+1
+    else:
+        nigh=mid    
+    
+