


'''simple docstring'''

from __future__ import annotations

lowerCamelCase				:  List[Any]    		=      'Muhammad Umer Farooq'
lowerCamelCase				:  int    		=      'MIT'
lowerCamelCase				:  Tuple    		=      '1.0.0'
lowerCamelCase				:  List[str]    		=      'Muhammad Umer Farooq'
lowerCamelCase				:  Tuple    		=      'contact@muhammadumerfarooq.me'
lowerCamelCase				:  Dict    		=      'Alpha'

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

import requests
class     __lowerCAmelCase		(lowercase_	):





      '''simple docstring'''






      def __init__(self       :       str  ,		UpperCamelCase       :       str					):

             '''simple docstring'''







             super().__init__()
             lowercase__      =					[]
             lowercase__      =					domain






      def  UpperCamelCase__						(self       :       Dict  ,		UpperCamelCase       :       str  ,		UpperCamelCase       :       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:
                                         lowercase__      =					parse.urljoin(self.domain  ,		UpperCamelCase					)
                                         self.urls.append(UpperCamelCase					)






def _SCREAMING_SNAKE_CASE (A			)			->			str:






       """simple docstring"""







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

def _SCREAMING_SNAKE_CASE (A			)			->			str:






       """simple docstring"""







       return parse.urlparse(A			).netloc

def _SCREAMING_SNAKE_CASE (A = "https://github.com"			)			->			list[str]:






       """simple docstring"""







       lowercase__      =					get_domain_name(A			)

       # Initialize the parser
       lowercase__      =					Parser(A			)

       try:
              # Open URL
              lowercase__      =					requests.get(A			)

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

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

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


if __name__ == "__main__":
 lowerCamelCase				:  Optional[Any]    		=      emails_from_url('https://github.com')
 print(f"""{len(emails)} emails found:""")
 print('\n'.join(sorted(emails)))








'''simple docstring'''

from __future__ import annotations

lowerCamelCase				:  List[str]    		=      []

def _SCREAMING_SNAKE_CASE (A    ,					A    ,					A			)			->			bool:






       """simple docstring"""







       for i in range(len(A			)			):
              if board[row][i] == 1:
                     return False
       for i in range(len(A			)			):
              if board[i][column] == 1:
                     return False
       for i, j in zip(range(A    ,					-1    ,					-1			)    ,					range(A    ,					-1    ,					-1			)			):
              if board[i][j] == 1:
                     return False
       for i, j in zip(range(A    ,					-1    ,					-1			)    ,					range(A    ,					len(A			)			)			):
              if board[i][j] == 1:
                     return False
       return True

def _SCREAMING_SNAKE_CASE (A    ,					A			)			->			bool:






       """simple docstring"""







       if row >= len(A			):
              solution.append(A			)
              printboard(A			)
              print()
              return True
       for i in range(len(A			)			):
              if is_safe(A    ,					A    ,					A			):
                     lowercase__      =					1
                     solve(A    ,					row + 1			)
                     lowercase__      =					0
       return False

def _SCREAMING_SNAKE_CASE (A			)			->			None:






       """simple docstring"""







       for i in range(len(A			)			):
              for j in range(len(A			)			):
                     if board[i][j] == 1:
                            print('''Q'''    ,					end=''' '''			)
                     else:
                            print('''.'''    ,					end=''' '''			)
              print()


# n=int(input("The no. of queens"))
lowerCamelCase				:  Optional[Any]    		=      8
lowerCamelCase				:  Optional[int]    		=      [[0 for i in range(n)] for j in range(n)]
solve(board, 0)

print('The total no. of solutions are :', len(solution))




