Update app.py

app.py

@@ -8,7 +8,7 @@ def add2List(num,start,end):
     start = int(start)
     end = int(end)
     for i in range(num):
-        rand=r.randint(start,num)
+        rand=r.randint(start,end)
         aList.append(num)
         bList.append(num)
     bList.sort()