save project

my_search.py

@@ -4,26 +4,24 @@ alist = []
 for i in range(1, 101):
 for i in range(1, 101):
     alist.append(i)
     alist.append(i)
 num = random.choice(alist)
 num = random.choice(alist)
-def binary_search(alist,num)
-num=3
-guess_num=1
-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
-    num=num_list[mid]
-    if mid==guess_num:
-        print("QWQ找到了qwq")
-        print(114514) 
-        print("yase")
-        break
-    elif mid<guess_num:
-        low=mid+1
-    else:
-        high=mid-1
-
+def binary_search(alist,num):
+    num=3
+    guess_num=1
+    num_list=[1,3,5,8,11,15,17,18,20,21]
+    low=0
+    high=len(alist)-1
+    while low<=high:
+        mid=(low+high)//2
+        guess=alist[mid]
+        if num==guess:
+            return mid
+        elif guess<num:
+            low=mid+1
+        else:
+            high=mid-1
+    return None
 
 
 # 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):
+result = binary_search(alist,num)
\ No newline at end of file
+print("LSGDSS",num)
\ No newline at end of file