save project

my_search.py

@@ -9,13 +9,14 @@ num = random.choice(alist)
 def binary_search(alist,num):
 def binary_search(alist,num):
     while mi<mx:
     while mi<mx:
         mid=(mi+mx)//2
         mid=(mi+mx)//2
-        gis=num_list[mid]
+        gis=alist[mid]
         if num1==gis:
         if num1==gis:
-            print(mid)`7`
-            break
+            return mid
         elif mun>gis:
         elif mun>gis:
             mi=mid+1
             mi=mid+1
         else:
         else:
             mx=mid-1
             mx=mid-1
     return None
     return None
-    
+num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
+num1=20
+mi=0