


"""simple docstring"""







from collections import namedtuple

import requests
from lxml import html  # type: ignore

lowerCAmelCase__      				=   namedtuple('''covid_data''', '''cases deaths recovered''')
def 					a__			(				SCREAMING_SNAKE_CASE    :    str = "https://www.worldometers.info/coronavirus/"				):


  '''simple docstring'''







  lowerCAmelCase     :     int								=							"//div[@class = \"maincounter-number\"]/span/text()"
  return covid_data(*html.fromstring(requests.get(__UpperCamelCase				).content				).xpath(__UpperCamelCase				)				)


lowerCAmelCase__      				=   '''Total COVID-19 cases in the world: {}
Total deaths due to COVID-19 in the world: {}
Total COVID-19 patients recovered in the world: {}'''





print(fmt.format(*covid_stats()))






from numpy import exp, pi, sqrt



def 	__SCREAMING_SNAKE_CASE  (					__UpperCamelCase    :       Any ,     __UpperCamelCase    :       float = 0.0 ,     __UpperCamelCase    :       float = 1.0	)							->					int:







  """simple docstring"""





  return 1 / sqrt(2 * pi * sigma**2	) * exp(-((x - mu) ** 2) / (2 * sigma**2)	)


if __name__ == "__main__":
   import doctest

   doctest.testmod()
