




"""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							:		str								=  domain


 def 			UpperCamelCase_       (    self:		Tuple,				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							:		List[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							:		List[Any]								=  get_domain_name(snake_case__   )

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

  try:
    # Open URL
    _snake_case							:		Dict								=  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							:		Optional[int]								=  set()
    for link in parser.urls:
      # open URL.
      # read = requests.get(link)
      try:
        _snake_case							:		Optional[int]								=  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__							: int   ):
  """simple docstring"""

  _snake_case							:		Optional[Any]								=  (1 + 24 * n) ** 0.5
  return ((1 + root) / 6) % 1 == 0


def  UpperCAmelCase__	(snake_case__							: int = 50_00   ):
  """simple docstring"""

  _snake_case							:		List[str]								=  [(i * (3 * i - 1)) // 2 for i in range(1		,       snake_case__   )]
  for i, pentagonal_i in enumerate(snake_case__   ):
    for j in range(snake_case__		,       len(snake_case__   )   ):
      _snake_case							:		Dict								=  pentagonal_nums[j]
      _snake_case							:		Optional[Any]								=  pentagonal_i + pentagonal_j
      _snake_case							:		List[str]								=  pentagonal_j - pentagonal_i
      if is_pentagonal(snake_case__   ) and is_pentagonal(snake_case__   ):
        return b

  return -1


if __name__ == "__main__":
     print(F'''{solution() = }''')


