save project

my_search.py

@@ -14,8 +14,11 @@ def binary_search(alist,num):
         guess=alist[mid]
         guess=alist[mid]
         if guess==num:
         if guess==num:
             return mid
             return mid
-        elif guess<num:
+        elif guess<num:     #最小索引查找
             low=mid+1
             low=mid+1
         else:
         else:
             high=mid-1
             high=mid-1
-    return None
+    return None
\ No newline at end of file
+aa = binary_search(alist,num)
+print("数为",num)
+print("索引为",aa)
\ No newline at end of file