





"""simple docstring"""




from __future__ import annotations

from collections.abc import MutableSequence


class        __UpperCamelCase				:






							def __init__(   self      ,					lowerCAmelCase__      ,					lowerCAmelCase__      )	-> None:
								if len(__lowercase      ) != degree + 1:
									raise ValueError(
									    "The number of coefficients should be equal to the degree + 1."      )

								a      :		list[float]	=				list(__lowercase      )
								a      :		List[Any]	=				degree






							def __add__(   self      ,					lowerCAmelCase__      )	-> Polynomial:

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






							def __sub__(   self      ,					lowerCAmelCase__      )	-> Polynomial:
								return self + polynomial_a * Polynomial(0      ,					[-1]      )






							def __neg__(   self      )	-> Polynomial:
								return Polynomial(self.degree      ,					[-c for c in self.coefficients]      )






							def __mul__(   self      ,					lowerCAmelCase__      )	-> Polynomial:
								a      :		list[float]	=				[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     __a   (   self      ,					lowerCAmelCase__      )	-> int | float:
								a      :		int | float	=				0
								for i in range(self.degree + 1      ):
									result += self.coefficients[i] * (substitution**i)
								return result






							def __str__(   self      )	-> str:
								a      :		int	=				''''''
								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      )	-> str:
								return self.__str__()






							def     __a   (   self      )	-> Polynomial:
								a      :		list[float]	=				[0] * self.degree
								for i in range(self.degree      ):
									a      :		Optional[Any]	=				self.coefficients[i + 1] * (i + 1)
								return Polynomial(self.degree - 1      ,					__lowercase      )






							def     __a   (   self      ,					lowerCAmelCase__ = 0      )	-> Polynomial:
								a      :		list[float]	=				[0] * (self.degree + 2)
								a      :		Any	=				constant
								for i in range(self.degree + 1      ):
									a      :		List[Any]	=				self.coefficients[i] / (i + 1)
								return Polynomial(self.degree + 1      ,					__lowercase      )






							def __eq__(   self      ,					lowerCAmelCase__      )	-> bool:
								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      ,					lowerCAmelCase__      )	-> bool:
								return not self.__eq__(__lowercase      )






from __future__ import annotations

import requests



def 	lowerCAmelCase       (						lowerCAmelCase_       )->       dict:
				lowerCAmelCase_       :					List[Any]			 = f"""https://hacker-news.firebaseio.com/v0/item/{story_id}.json?print=pretty"""
				return requests.get(lowerCAmelCase_       ).json()



def 	lowerCAmelCase       (						lowerCAmelCase_ = 10       )->       list[dict]:
				lowerCAmelCase_       :					List[Any]			 = '''https://hacker-news.firebaseio.com/v0/topstories.json?print=pretty'''
				lowerCAmelCase_       :					Tuple			 = requests.get(lowerCAmelCase_       ).json()[:max_stories]
				return [get_hackernews_story(lowerCAmelCase_       ) for story_id in story_ids]



def 	lowerCAmelCase       (						lowerCAmelCase_ = 10       )->       str:
				lowerCAmelCase_       :					Optional[Any]			 = hackernews_top_stories(lowerCAmelCase_       )
				return "\n".join('''* [{title}]({url})'''.format(**lowerCAmelCase_       ) for story in stories       )


if __name__ == "__main__":
						print(hackernews_top_stories_as_markdown())