save project

my_search.py

@@ -6,18 +6,17 @@ 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):
 
 
-    high=len(alist)-1
-    low=0
-    while low <= high:
-        mid=(low+high)//2
-        zjz=num_list[mid]
-        if mum == zjz:
-            print("找到了,索引是",mid)
-            exit()    
-        elif cz < zjz:
-            high=mid-1
-        else:
-            low=mid+1
+high=len(alist)-1
+low=0
+while low <= high:
+    mid=(low+high)//2
+    zjz=num_list[mid]
+    if mum == zjz:
+        print("找到了,索引是",mid)
+        exit()    
+   elif cz < zjz:
+        high=mid-1
+    else:
+        low=mid+1
     print("没有这个数")
     print("没有这个数")
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