auto save

my_search.py

@@ -10,6 +10,8 @@ high=len(alist)-1
 def binary_search(alist,num):
 def binary_search(alist,num):
     low=0
     low=0
     high=len(alist)-1
     high=len(alist)-1
-    while :
+    while low<=high:
         mid=(high+low)//2
         mid=(high+low)//2
-        if 
+        if alist[mid]==num:
\ No newline at end of file
+            return mid
+        elif 
\ No newline at end of file