save project

my_search.py

 bingo_num = 7
 num_list = [1,3,5,8,11,15,17,18,20,21]
 
-low = 0
-high = len(num_list)-1
-while low <= high:
-    mid = (low + high) // 2
-    guess =num_list[mid]
-    if guess == bingo_num:
-        print("找到了，它的索引是：",mid)
-        break
-    elif guess < bingo_num:
-        low = mid + 1
-    else:
-        high = mid -1
-# 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):
     low = 0
     high = len(alist)-1
@@ -29,5 +15,20 @@ def binary_search(alist,num):
             high = mid - 1
     return None
 
+low = 0
+high = len(num_list)-1
+while low <= high:
+    mid = (low + high) // 2
+    guess =num_list[mid]
+    if guess == bingo_num:
+        print("找到了，它的索引是：",mid)
+        break
+    elif guess < bingo_num:
+        low = mid + 1
+    else:
+        high = mid - 1
+# 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
+
+
 result = binary_search(num_list,21)
 print(result)
\ No newline at end of file