Update app.py

app.py

@@ -30,7 +30,7 @@ async def on_member_join(member):
     
     welcome_list.append(member.mention)
     if len(welcome_list) > 4:
-        channel = bot.get_channel(1100458786826747945)
+        channel = bot.get_channel(900017973547388988)
         message = f'{welcome_messages[welcome_messages_counter]} {welcome_list[0]} {welcome_list[1]} {welcome_list[2]} {welcome_list[3]}'
         if welcome_messages_counter == 6:
             welcome_messages_counter == -1