telegram bot to send msg to users

bot.py

@@ -0,0 +1,18 @@
+from telegram.ext import Application
+from telegram.ext import CommandHandler
+import syms as _bot_syms
+
+async def bot_start(update, context):
+  chat_id = update.effective_chat.id
+  await update.message.reply_text(f'wb_alert bot: <code>{chat_id}</code>', parse_mode='HTML')
+  print(f'alert_bot bot_start: {chat_id}')
+
+def main():
+  application = Application.builder().token(_bot_syms.TOKEN).build()
+  application.add_handler(CommandHandler('start', bot_start))
+
+  print('alert_bot main: Bot is running...')
+  application.run_polling()
+
+if __name__ == '__main__':
+  main()