Create new file

app.py

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+from telegram.ext.filters import Filters
+from telegram.ext.messagehandler import MessageHandler
+from telegram import Update, ParseMode
+from telegram.ext import (Updater,
+						  PicklePersistence,
+						  CommandHandler,
+						  CallbackQueryHandler,
+						  CallbackContext,
+						  ConversationHandler)
+from telegram import InlineKeyboardButton, InlineKeyboardMarkup, ForceReply, ReplyKeyboardMarkup
+import urllib.request
+from bs4 import BeautifulSoup
+
+bot_token = '5415345086:AAFYZJfXygvUzfQARjoADv5eBtcB8qIWp9M'
+admin = 37087739
+
+def start(update: Update, context: CallbackContext):
+	text = ('Hello!')
+	update.message.reply_text(text)
+
+def send_captcha(update: Update, context: CallbackContext):
+	''' Entry point of conversation  this gives  buttons to user'''
+	chat_id = update.effective_chat.id
+	url =https://pooya.um.ac.ir/gateway/SecurityImage/ShowSecurityImage.php?rand=1485178863&rand2=S3VNRFk3Q1h3dHFNQTlURVN4R0IvSE8zYUpPTlN4RzljYmxNdWg2WWpqOD0=0='
+	urllib.request.urlretrieve(url, 'captcha.png')
+	print('Downloaded!')
+	context.bot.send_photo(chat_id, photo=open('captcha.png', 'rb'))
+
+if __name__ == '__main__':
+	updater = Updater(token=bot_token)
+	updater.dispatcher.add_handler(CommandHandler('start', start))
+	updater.dispatcher.add_handler(CommandHandler('img', send_captcha))
+	updater.start_polling()
+	print('Bot started ..........')
+	updater.idle()