


import math
import os
import sys






def 							__lowercase       (			__lowerCAmelCase							:    str       ):
							a__					=					''
							try:
														with open(snake_case_ ,   'rb'       ) as binary_file:
																					a__					=					binary_file.read()
														for dat in data:
																					a__					=					F'{dat:08b}'
																					result += curr_byte
														return result
							except OSError:
														print('File not accessible'       )
														sys.exit()






def 							__lowercase       (			__lowerCAmelCase							:    dict[str, str] ,   __lowerCAmelCase							:    str ,   __lowerCAmelCase							:    int ,   __lowerCAmelCase							:    str       ):
							lexicon.pop(snake_case_       )
							a__					=					last_match_id

							if math.loga(snake_case_       ).is_integer():
														for curr_key in lexicon:
																					a__					=					'0' + lexicon[curr_key]

							a__					=					bin(snake_case_       )[2:]






def 							__lowercase       (			__lowerCAmelCase							:    str       ):
							a__					=					{'0': '0', '1': '1'}
							a__				, a__					=					'', ''
							a__					=					len(snake_case_       )

							for i in range(len(snake_case_       )       ):
														curr_string += data_bits[i]
														if curr_string not in lexicon:
																					continue

														a__					=					lexicon[curr_string]
														result += last_match_id
														add_key_to_lexicon(snake_case_ ,   snake_case_ ,   snake_case_ ,   snake_case_       )
														index += 1
														a__					=					''

							while curr_string != "" and curr_string not in lexicon:
														curr_string += "0"

							if curr_string != "":
														a__					=					lexicon[curr_string]
														result += last_match_id

							return result






def 							__lowercase       (			__lowerCAmelCase							:    str ,   __lowerCAmelCase							:    str       ):
							a__					=					os.path.getsize(snake_case_       )
							a__					=					bin(snake_case_       )[2:]
							a__					=					len(snake_case_       )

							return "0" * (length_length - 1) + file_length_binary + compressed






def 							__lowercase       (			__lowerCAmelCase							:    str ,   __lowerCAmelCase							:    str       ):
							a__					=					8
							try:
														with open(snake_case_ ,   'wb'       ) as opened_file:
																					a__					=					[
																					    to_write[i : i + byte_length]
																					    for i in range(0 ,   len(snake_case_       ) ,   snake_case_       )
																					]

																					if len(result_byte_array[-1]       ) % byte_length == 0:
																												result_byte_array.append('10000000'       )
																					else:
																												result_byte_array[-1] += "1" + "0" * (
																												    byte_length - len(result_byte_array[-1]       ) - 1
																												)

																					for elem in result_byte_array:
																												opened_file.write(int(snake_case_ ,   2       ).to_bytes(1 ,   byteorder='big'       )       )
							except OSError:
														print('File not accessible'       )
														sys.exit()






def 							__lowercase       (			__lowerCAmelCase							:    str ,   __lowerCAmelCase							:    str       ):
							a__					=					read_file_binary(snake_case_       )
							a__					=					compress_data(snake_case_       )
							a__					=					add_file_length(snake_case_ ,   snake_case_       )
							write_file_binary(snake_case_ ,   snake_case_       )


if __name__ == "__main__":
						compress(sys.argv[1], sys.argv[2])








def 							__lowercase       (			__lowerCAmelCase							:    Optional[Any]       ):
							return [
							    {
							        0: [1, 2],
							        1: [0, 2],
							        2: [0, 1, 3, 5],
							        3: [2, 4],
							        4: [3],
							        5: [2, 6, 8],
							        6: [5, 7],
							        7: [6, 8],
							        8: [5, 7],
							    },
							    {
							        0: [6],
							        1: [9],
							        2: [4, 5],
							        3: [4],
							        4: [2, 3],
							        5: [2],
							        6: [0, 7],
							        7: [6],
							        8: [],
							        9: [1],
							    },
							    {
							        0: [4],
							        1: [6],
							        2: [],
							        3: [5, 6, 7],
							        4: [0, 6],
							        5: [3, 8, 9],
							        6: [1, 3, 4, 7],
							        7: [3, 6, 8, 9],
							        8: [5, 7],
							        9: [5, 7],
							    },
							    {
							        0: [1, 3],
							        1: [0, 2, 4],
							        2: [1, 3, 4],
							        3: [0, 2, 4],
							        4: [1, 2, 3],
							    },
							][index]






def 							__lowercase       (			__lowerCAmelCase							:    dict[int, list[int]]       ):
							a__					=					0
							a__					=					len(__lowerCAmelCase       )  # No of vertices in graph
							a__					=					[0] * n
							a__					=					[False] * n

							def dfs(__lowerCAmelCase							:    int ,   __lowerCAmelCase							:    Any ,   __lowerCAmelCase							:    Dict ,   __lowerCAmelCase							:    Tuple       ):
														a__					=					True
														a__					=					id_
														id_ += 1
														for to in graph[at]:
																					if to == parent:
																												pass
																					elif not visited[to]:
																												dfs(__lowerCAmelCase ,   __lowerCAmelCase ,   __lowerCAmelCase ,   id_       )
																												a__					=					min(low[at] ,   low[to]       )
																												if id_ <= low[to]:
																																			bridges.append((at, to) if at < to else (to, at)       )
																					else:
																												# This edge is a back edge and cannot be a bridge
																												a__					=					min(low[at] ,   low[to]       )

							a__					=					[]
							for i in range(__lowerCAmelCase       ):
														if not visited[i]:
																					dfs(__lowerCAmelCase ,   -1 ,   __lowerCAmelCase ,   id_       )
							return bridges


if __name__ == "__main__":
						import doctest

						doctest.testmod()




