



from __future__ import annotations

from collections.abc import MutableSequence






class    SCREAMING_SNAKE_CASE			:





							def __init__(   self		:		List[Any]      ,				__lowercase		:		int      ,				__lowercase		:		MutableSequence[float]	):

											'''simple docstring'''
											if len(__lowercase	) != degree + 1:
															raise ValueError(
															    """The number of coefficients should be equal to the degree + 1."""	)

											__a       =		list(__lowercase	)
											__a       =		degree





							def __add__(   self		:		Tuple      ,				__lowercase		:		Polynomial	):

											'''simple docstring'''

											if self.degree > polynomial_a.degree:
															__a       =		self.coefficients[:]
															for i in range(polynomial_a.degree + 1	):
																			coefficients[i] += polynomial_a.coefficients[i]
															return Polynomial(self.degree      ,				__lowercase	)
											else:
															__a       =		polynomial_a.coefficients[:]
															for i in range(self.degree + 1	):
																			coefficients[i] += self.coefficients[i]
															return Polynomial(polynomial_a.degree      ,				__lowercase	)





							def __sub__(   self		:		Tuple      ,				__lowercase		:		Polynomial	):

											'''simple docstring'''
											return self + polynomial_a * Polynomial(0      ,				[-1]	)





							def __neg__(   self		:		Dict	):

											'''simple docstring'''
											return Polynomial(self.degree      ,				[-c for c in self.coefficients]	)





							def __mul__(   self		:		Any      ,				__lowercase		:		Polynomial	):

											'''simple docstring'''
											__a       =		[0] * (self.degree + polynomial_a.degree + 1)
											for i in range(self.degree + 1	):
															for j in range(polynomial_a.degree + 1	):
																			coefficients[i + j] += (
																			    self.coefficients[i] * polynomial_a.coefficients[j]
																			)

											return Polynomial(self.degree + polynomial_a.degree      ,				__lowercase	)





							def 						UpperCamelCase_					(   self		:		List[Any]      ,				__lowercase		:		int | float	):

											'''simple docstring'''
											__a       =		0
											for i in range(self.degree + 1	):
															result += self.coefficients[i] * (substitution**i)
											return result





							def __str__(   self		:		Dict	):

											'''simple docstring'''
											__a       =		""""""
											for i in range(self.degree      ,				-1      ,				-1	):
															if self.coefficients[i] == 0:
																			continue
															elif self.coefficients[i] > 0:
																			if polynomial:
																							polynomial += " + "
															else:
																			polynomial += " - "

															if i == 0:
																			polynomial += str(abs(self.coefficients[i]	)	)
															elif i == 1:
																			polynomial += str(abs(self.coefficients[i]	)	) + "x"
															else:
																			polynomial += str(abs(self.coefficients[i]	)	) + "x^" + str(__lowercase	)

											return polynomial





							def __repr__(   self		:		Optional[Any]	):

											'''simple docstring'''
											return self.__str__()





							def 						UpperCamelCase_					(   self		:		str	):

											'''simple docstring'''
											__a       =		[0] * self.degree
											for i in range(self.degree	):
															__a       =		self.coefficients[i + 1] * (i + 1)
											return Polynomial(self.degree - 1      ,				__lowercase	)





							def 						UpperCamelCase_					(   self		:		Optional[Any]      ,				__lowercase		:		int | float = 0	):

											'''simple docstring'''
											__a       =		[0] * (self.degree + 2)
											__a       =		constant
											for i in range(self.degree + 1	):
															__a       =		self.coefficients[i] / (i + 1)
											return Polynomial(self.degree + 1      ,				__lowercase	)





							def __eq__(   self		:		List[str]      ,				__lowercase		:		object	):

											'''simple docstring'''
											if not isinstance(__lowercase      ,				__lowercase	):
															return False

											if self.degree != polynomial_a.degree:
															return False

											for i in range(self.degree + 1	):
															if self.coefficients[i] != polynomial_a.coefficients[i]:
																			return False

											return True







							def __ne__(   self		:		Any      ,				__lowercase		:		object	):

											'''simple docstring'''
											return not self.__eq__(__lowercase	)











from __future__ import annotations

lowerCamelCase__			= """Muhammad Umer Farooq"""
lowerCamelCase__			= """MIT"""
lowerCamelCase__			= """1.0.0"""
lowerCamelCase__			= """Muhammad Umer Farooq"""
lowerCamelCase__			= """contact@muhammadumerfarooq.me"""
lowerCamelCase__			= """Alpha"""

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

import requests






class    SCREAMING_SNAKE_CASE			(							lowerCamelCase__					):





							def __init__(   self		:		Any      ,				__lowercase		:		str	):

											'''simple docstring'''
											super().__init__()
											__a       =		[]
											__a       =		domain







							def 						UpperCamelCase_					(   self		:		Union[str, Any]      ,				__lowercase		:		str      ,				__lowercase		:		list[tuple[str, str | None]]	):

											'''simple docstring'''
											# Only parse the 'anchor' tag.
											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:
																											__a       =		parse.urljoin(self.domain      ,				__lowercase	)
																											self.urls.append(__lowercase	)



def   lowerCAmelCase__						(							_SCREAMING_SNAKE_CASE       :			str    ):
				"""simple docstring"""







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

def   lowerCAmelCase__						(							_SCREAMING_SNAKE_CASE       :			str    ):
				"""simple docstring"""







				return parse.urlparse(_SCREAMING_SNAKE_CASE    ).netloc

def   lowerCAmelCase__						(							_SCREAMING_SNAKE_CASE       :			str = "https://github.com"    ):
				"""simple docstring"""







				__a       =		get_domain_name(_SCREAMING_SNAKE_CASE    )

				# Initialize the parser
				__a       =		Parser(_SCREAMING_SNAKE_CASE    )

				try:
								# Open URL
								__a       =		requests.get(_SCREAMING_SNAKE_CASE    )

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

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

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


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