


'''simple docstring'''
from __future__ import annotations

from collections.abc import Iterator
from typing import Any
class      lowercase			:

		"""simple docstring"""

		def __init__(	self					,     UpperCamelCase_							):

							'''simple docstring'''


							UpperCamelCase__     :Any							      =				data
							UpperCamelCase__     :Node | None							      =				None



class      lowercase			:

		"""simple docstring"""

		def __init__(	self							):

							'''simple docstring'''


							UpperCamelCase__     :Optional[int]							      =				None
							UpperCamelCase__     :Dict							      =				None




		def __iter__(	self							):

							'''simple docstring'''


							UpperCamelCase__     :Optional[Any]							      =				self.head
							while self.head:
												yield node.data
												UpperCamelCase__     :int							      =				node.next
												if node == self.head:
																	break




		def __len__(	self							):

							'''simple docstring'''


							return sum(1 for _ in self							)




		def __repr__(	self							):

							'''simple docstring'''


							return "->".join(str(UpperCamelCase_							) for item in iter(self							)							)




		def 					lowerCAmelCase__       (	self					,     UpperCamelCase_							):

							'''simple docstring'''


							self.insert_nth(len(self							)					,     UpperCamelCase_							)




		def 					lowerCAmelCase__       (	self					,     UpperCamelCase_							):

							'''simple docstring'''


							self.insert_nth(0					,     UpperCamelCase_							)




		def 					lowerCAmelCase__       (	self					,     UpperCamelCase_					,     UpperCamelCase_							):

							'''simple docstring'''


							if index < 0 or index > len(self							):
												raise IndexError('''list index out of range.'''							)
							UpperCamelCase__     :Optional[int]							      =				Node(UpperCamelCase_							)
							if self.head is None:
												UpperCamelCase__     :Optional[int]							      =				new_node  # first node points itself
												UpperCamelCase__     :Any							      =				new_node
							elif index == 0:  # insert at head
												UpperCamelCase__     :Optional[Any]							      =				self.head
												UpperCamelCase__     :Optional[int]							      =				new_node
							else:
												UpperCamelCase__     :Optional[int]							      =				self.head
												for _ in range(index - 1							):
																	UpperCamelCase__     :Optional[Any]							      =				temp.next
												UpperCamelCase__     :Optional[int]							      =				temp.next
												UpperCamelCase__     :str							      =				new_node
												if index == len(self							) - 1:  # insert at tail
																	UpperCamelCase__     :Dict							      =				new_node




		def 					lowerCAmelCase__       (	self							):

							'''simple docstring'''


							return self.delete_nth(0							)




		def 					lowerCAmelCase__       (	self							):

							'''simple docstring'''


							return self.delete_nth(len(self							) - 1							)




		def 					lowerCAmelCase__       (	self					,     UpperCamelCase_ = 0							):

							'''simple docstring'''


							if not 0 <= index < len(self							):
												raise IndexError('''list index out of range.'''							)
							UpperCamelCase__     :str							      =				self.head
							if self.head == self.tail:  # just one node
												UpperCamelCase__     :int							      =				None
							elif index == 0:  # delete head node
												UpperCamelCase__     :Dict							      =				self.tail.next.next
												UpperCamelCase__     :int							      =				self.head.next
							else:
												UpperCamelCase__     :List[Any]							      =				self.head
												for _ in range(index - 1							):
																	UpperCamelCase__     :Union[str, Any]							      =				temp.next
												UpperCamelCase__     :Union[str, Any]							      =				temp.next
												UpperCamelCase__     :List[str]							      =				temp.next.next
												if index == len(self							) - 1:  # delete at tail
																	UpperCamelCase__     :Dict							      =				temp
							return delete_node.data




		def 					lowerCAmelCase__       (	self							):

							'''simple docstring'''


							return len(self							) == 0



def     a   (    )						->			None:



					'''simple docstring'''






					UpperCamelCase__     :Dict							      =				CircularLinkedList()
					assert len(__a     ) == 0
					assert circular_linked_list.is_empty() is True
					assert str(__a     ) == ""

					try:
										circular_linked_list.delete_front()
										raise AssertionError  # This should not happen
					except IndexError:
										assert True  # This should happen

					try:
										circular_linked_list.delete_tail()
										raise AssertionError  # This should not happen
					except IndexError:
										assert True  # This should happen

					try:
										circular_linked_list.delete_nth(-1     )
										raise AssertionError
					except IndexError:
										assert True

					try:
										circular_linked_list.delete_nth(0     )
										raise AssertionError
					except IndexError:
										assert True

					assert circular_linked_list.is_empty() is True
					for i in range(5     ):
										assert len(__a     ) == i
										circular_linked_list.insert_nth(__a				,      i + 1     )
					assert str(__a     ) == "->".join(str(__a     ) for i in range(1				,      6     )     )

					circular_linked_list.insert_tail(6     )
					assert str(__a     ) == "->".join(str(__a     ) for i in range(1				,      7     )     )
					circular_linked_list.insert_head(0     )
					assert str(__a     ) == "->".join(str(__a     ) for i in range(0				,      7     )     )

					assert circular_linked_list.delete_front() == 0
					assert circular_linked_list.delete_tail() == 6
					assert str(__a     ) == "->".join(str(__a     ) for i in range(1				,      6     )     )
					assert circular_linked_list.delete_nth(2     ) == 3

					circular_linked_list.insert_nth(2				,      3     )
					assert str(__a     ) == "->".join(str(__a     ) for i in range(1				,      6     )     )

					assert circular_linked_list.is_empty() is False


if __name__ == "__main__":
		import doctest

		doctest.testmod()



'''simple docstring'''
from __future__ import annotations

import csv

import requests
from bsa import BeautifulSoup


def     a   (    __a = ""     )						->			dict[str, float]:



					'''simple docstring'''






					UpperCamelCase__     :Optional[Any]							      =				url or '''https://www.imdb.com/chart/top/?ref_=nv_mv_250'''
					UpperCamelCase__     :Optional[int]							      =				BeautifulSoup(requests.get(__a     ).text				,      '''html.parser'''     )
					UpperCamelCase__     :Tuple							      =				soup.find_all('''td'''				,      attrs='''titleColumn'''     )
					UpperCamelCase__     :Union[str, Any]							      =				soup.find_all('''td'''				,      class_='''ratingColumn imdbRating'''     )
					return {
					    title.a.text: float(rating.strong.text     )
					    for title, rating in zip(__a				,      __a     )
					}


def     a   (    __a = "IMDb_Top_250_Movies.csv"     )						->			None:



					'''simple docstring'''






					UpperCamelCase__     :Optional[Any]							      =				get_imdb_top_aaa_movies()
					with open(__a				,      '''w'''				,      newline=''''''     ) as out_file:
										UpperCamelCase__     :int							      =				csv.writer(__a     )
										writer.writerow(['''Movie title''', '''IMDb rating''']     )
										for title, rating in movies.items():
															writer.writerow([title, rating]     )


if __name__ == "__main__":
		write_movies()