
from json import JSONDecodeError  # Workaround for requests.exceptions.JSONDecodeError

import requests


def 						UpperCAmelCase			(	a_ = "isbn/0140328726"						)		->	dict:







				"""simple docstring"""



				__A   			= olid.strip().strip("/"						)  # Remove leading/trailing whitespace & slashes
				if new_olid.count("/"						) != 1:
								__A   			= F'''{olid} is not a valid Open Library olid'''
								raise ValueError(a_						)
				return requests.get(F'''https://openlibrary.org/{new_olid}.json'''						).json()


def 						UpperCAmelCase			(	a_						)		->	dict:







				"""simple docstring"""



				__A   			= {
				    "title": "Title",
				    "publish_date": "Publish date",
				    "authors": "Authors",
				    "number_of_pages": "Number of pages:",
				    "first_sentence": "First sentence",
				    "isbn_10": "ISBN (10)",
				    "isbn_13": "ISBN (13)",
				}
				__A   			= {better_key: ol_book_data[key] for key, better_key in desired_keys.items()}
				__A   			= [
				    get_openlibrary_data(author["key"]						)["name"] for author in data["Authors"]
				]
				__A   			= data["First sentence"]["value"]
				for key, value in data.items():
								if isinstance(a_		,   a_						):
												__A   			= ", ".join(a_						)
				return data


if __name__ == "__main__":
					import doctest

					doctest.testmod()

					while True:
										SCREAMING_SNAKE_CASE							:List[Any]							 =				input('\nEnter the ISBN code to search (or \'quit\' to stop): ').strip()
										if isbn.lower() in ("", "q", "quit", "exit", "stop"):
															break

										if len(isbn) not in (10, 13) or not isbn.isdigit():
															print(f'''Sorry, {isbn} is not a valid ISBN.  Please, input a valid ISBN.''')
															continue

										print(f'''\nSearching Open Library for ISBN: {isbn}...\n''')

										try:
															SCREAMING_SNAKE_CASE							:Any							 =				summarize_book(get_openlibrary_data(f'''isbn/{isbn}'''))
															print('\n'.join(f'''{key}: {value}''' for key, value in book_summary.items()))
										except JSONDecodeError:  # Workaround for requests.exceptions.RequestException:
															print(f'''Sorry, there are no results for ISBN: {isbn}.''')


def 						UpperCAmelCase			(	a_						)		->	Optional[int]:







				"""simple docstring"""



				__A   			= [0] * len(a_						)
				__A   			= []
				__A   			= [1] * len(a_						)

				for values in graph.values():
								for i in values:
												indegree[i] += 1

				for i in range(len(a_						)						):
								if indegree[i] == 0:
												queue.append(a_						)

				while queue:
								__A   			= queue.pop(0						)
								for x in graph[vertex]:
												indegree[x] -= 1

												if long_dist[vertex] + 1 > long_dist[x]:
																__A   			= long_dist[vertex] + 1

												if indegree[x] == 0:
																queue.append(a_						)

				print(max(a_						)						)


# Adjacency list of Graph
SCREAMING_SNAKE_CASE							:List[Any]							 =				{0: [2, 3, 4], 1: [2, 7], 2: [5], 3: [5, 7], 4: [7], 5: [6], 6: [7], 7: []}
longest_distance(graph)
