text: import requests
  from datetime import date, timedelta
  """
  script to get the current exchange rate for currencies
  via API from FIXER.IO
  and send it via TELEGRAM to the user
  this scripts runs once a day on PYTHONANYWHERE.COM
  """
  
  #to FIXER.io
  _ACCESS_KEY = 'YOUR_FIXER_IO_KEY'
  
  #Telegram keys
  _BOT_TOKEN = 'YOUR_TELEGRAM_TOKEN'
  _BOT_Chat_ID = 'CHAT_ID_ADRESSEE'
  
  
  def telegram_bot_sendmessage(bot_token: str, bot_chatID: str, bot_message: str):
      """send message to telegram"""
      
      api_text = (
          f'https://api.telegram.org/bot{bot_token}'
          f'/sendMessage?chat_id={bot_chatID}'
          f'&parse_mode=Markdown&text={bot_message}'
          )
  
      r = requests.get(api_text)
      return r.json()
  
  
  def get_current_exchange_rate():
      """latest information of exchange rate""" 
   
      web_api = (
          f'http://data.fixer.io/api/latest'
          f'? access_key={_ACCESS_KEY}'
          f'& format=1'
          f'& base=EUR'
          f'& symbols=GBP'
      )
  
      r = requests.get(web_api)
      return r.json()['rates']['GBP']
  
  
  def get_weekly_high():
      """weekly high"""
  
      for i in range(1,8):
          hist_date = date.today() - timedelta(days=i)
          web_api = (
              f'http://data.fixer.io/api/{hist_date}'
              f'? access_key={ACCESS_KEY}'
              f'& base=EUR'
              f'& symbols=GBP'
          )
  
          r = requests.get(web_api)
          #weekly_high = r.json()['rates']['GBP'] if r.json()['rates']['GBP'] < weekly_high else weekly_high
          if i == 1 or r.json()['rates']['GBP'] < weekly_high:
              weekly_high = r.json()['rates']['GBP']
              
      return weekly_high
  
  
  if __name__ == '__main__':
      #GBP in Euro
      message = (
          f'current exchange rate:\n 1 Pound = {1/get_current_exchange_rate():.3} Euro \n'
          f'best exchange rate last 7 days:\n 1 Pound = {1/get_weekly_high():.3} Euro'
      )
      #print(message)
  
      response = telegram_bot_sendmessage(_BOT_TOKEN, _BOT_Chat_ID, message)
      #print(response)