




"""simple docstring"""


from __future__ import annotations

A_						=				'''Muhammad Umer Farooq'''
A_						=				'''MIT'''
A_						=				'''1.0.0'''
A_						=				'''Muhammad Umer Farooq'''
A_						=				'''contact@muhammadumerfarooq.me'''
A_						=				'''Alpha'''

import re
from html.parser import HTMLParser
from urllib import parse

import requests






class 					lowercase(     __a ):







 '''simple docstring'''





 def __init__(				self:		Optional[Any],      a_:		str		):




   '''simple docstring'''



   super().__init__()
   _snake_case							:		list[str]								=  []
   _snake_case							:		List[Any]								=  domain


 def  UpperCamelCase_   (				self:		List[Any],      a_:		str,      a_:		list[tuple[str, str | None]]		):




   '''simple docstring'''



   if tag == "a":
     # Check the list of defined attributes.
     for name, value in attrs:
       # If href is defined, and not empty nor # print it.
       if name == "href" and value != "#" and value != "":
         # If not already in urls.
         if value not in self.urls:
           _snake_case							:		Any								=  parse.urljoin(self.domain,      a_		)
           self.urls.append(a_		)







def 					UpperCAmelCase__       (snake_case__							:					str    ):
  """simple docstring"""

  return ".".join(get_sub_domain_name(snake_case__    ).split("""."""    )[-2:]    )


def 					UpperCAmelCase__       (snake_case__							:					str    ):
  """simple docstring"""

  return parse.urlparse(snake_case__    ).netloc


def 					UpperCAmelCase__       (snake_case__							:					str = "https://github.com"    ):
  """simple docstring"""

  _snake_case							:		Dict								=  get_domain_name(snake_case__    )

  # Initialize the parser
  _snake_case							:		List[str]								=  Parser(snake_case__    )

  try:
    # Open URL
    _snake_case							:		Union[str, Any]								=  requests.get(snake_case__    )

    # pass the raw HTML to the parser to get links
    parser.feed(r.text    )

    # Get links and loop through
    _snake_case							:		str								=  set()
    for link in parser.urls:
      # open URL.
      # read = requests.get(link)
      try:
        _snake_case							:		Optional[Any]								=  requests.get(snake_case__    )
        # Get the valid email.
        _snake_case							:		Tuple								=  re.findall("""[a-zA-Z0-9]+@""" + domain		,   read.text    )
        # If not in list then append it.
        for email in emails:
          valid_emails.add(snake_case__    )
      except ValueError:
        pass
  except ValueError:
    raise SystemExit(1    )

  # Finally return a sorted list of email addresses with no duplicates.
  return sorted(snake_case__    )


if __name__ == "__main__":
     A_						=				emails_from_url('''https://github.com''')
     print(F'''{len(emails)} emails found:''')
     print('''\n'''.join(sorted(emails)))








"""simple docstring"""


def 					UpperCAmelCase__       (snake_case__							:					list    ):
  """simple docstring"""

  if len(snake_case__    ) <= 1:
    return [tuple(snake_case__    )]

  _snake_case							:		List[Any]								=  []

  def generate(snake_case__							:					int		,   snake_case__							:					list    ):
    if k == 1:
      res.append(tuple(arr[:]    )    )
      return

    generate(k - 1		,   snake_case__    )

    for i in range(k - 1    ):
      if k % 2 == 0:  # k is even
        _snake_case		,					_snake_case							:		Optional[Any]								=  arr[k - 1], arr[i]
      else:  # k is odd
        _snake_case		,					_snake_case							:		List[str]								=  arr[k - 1], arr[0]
      generate(k - 1		,   snake_case__    )

  generate(len(snake_case__    )		,   snake_case__    )
  return res


if __name__ == "__main__":
     A_						=				input('''Enter numbers separated by a comma:\n''').strip()
     A_						=				[int(item) for item in user_input.split(''',''')]
     print(heaps(arr))


