From c31718dd87e54f3a082e2260a766257dc583d58c Mon Sep 17 00:00:00 2001
From: BellCodeEditor <bellcode_dev@bell.ai>
Date: Sun, 3 Nov 2024 17:17:11 +0800
Subject: [PATCH] save project

---
 my_search.py | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/my_search.py b/my_search.py
index 6eaf4dc..0b8a3df 100644
--- a/my_search.py
+++ b/my_search.py
@@ -6,4 +6,20 @@ for i in range(1, 101):
 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):
\ No newline at end of file
+def binary_search(alist,num):
+    low = 0
+    high = len(alist) - 1
+    while True:
+        mid = (low + high)//2
+        guess = alist[mid]
+        if guess == num:
+            return mid
+        elif guess < num:
+            low = mid + 1
+        else:
+            high = mid - 1
+        if high < low:
+            return None
+
+result = binary_search(alist, num) 
+print(result)
\ No newline at end of file
--
libgit2 0.25.0