

from __future__ import annotations

import sys



class 						__lowercase       :




			"""simple docstring"""







			def __init__(				self						:  str     ,		lowerCAmelCase__						:  str     ,		lowerCAmelCase__						:  int):
									SCREAMING_SNAKE_CASE_:				str							= letter
									SCREAMING_SNAKE_CASE_:				int							= freq
									SCREAMING_SNAKE_CASE_:				dict[str, str]							= {}




			def __repr__(				self						:  Any):
									return F"{self.letter}:{self.freq}"







class 						__lowercase       :




			"""simple docstring"""







			def __init__(				self						:  Optional[Any]     ,		lowerCAmelCase__						:  int     ,		lowerCAmelCase__						:  Letter | TreeNode     ,		lowerCAmelCase__						:  Letter | TreeNode):
									SCREAMING_SNAKE_CASE_:				int							= freq
									SCREAMING_SNAKE_CASE_:				Letter | TreeNode							= left
									SCREAMING_SNAKE_CASE_:				Letter | TreeNode							= right







def     A_   (					_UpperCAmelCase					):
						SCREAMING_SNAKE_CASE_:				dict[str, int]							= {}
						with open(_UpperCAmelCase					) as f:
												while True:
																		SCREAMING_SNAKE_CASE_:				int							= f.read(1					)
																		if not c:
																								break
																		SCREAMING_SNAKE_CASE_:				int							= chars[c] + 1 if c in chars else 1
						return sorted((Letter(_UpperCAmelCase       ,			_UpperCAmelCase					) for c, f in chars.items())       ,			key=lambda _UpperCAmelCase					: x.freq					)







def     A_   (					_UpperCAmelCase					):
						SCREAMING_SNAKE_CASE_:				list[Letter | TreeNode]							= letters  # type: ignore
						while len(_UpperCAmelCase					) > 1:
												SCREAMING_SNAKE_CASE_:				Any							= response.pop(0					)
												SCREAMING_SNAKE_CASE_:				List[Any]							= response.pop(0					)
												SCREAMING_SNAKE_CASE_:				Union[str, Any]							= left.freq + right.freq
												SCREAMING_SNAKE_CASE_:				Union[str, Any]							= TreeNode(_UpperCAmelCase       ,			_UpperCAmelCase       ,			_UpperCAmelCase					)
												response.append(_UpperCAmelCase					)
												response.sort(key=lambda _UpperCAmelCase					: x.freq					)
						return response[0]







def     A_   (					_UpperCAmelCase       ,			_UpperCAmelCase					):
						if isinstance(_UpperCAmelCase       ,			_UpperCAmelCase					):
												SCREAMING_SNAKE_CASE_:				List[Any]							= bitstring
												return [root]
						SCREAMING_SNAKE_CASE_:				TreeNode							= root  # type: ignore
						SCREAMING_SNAKE_CASE_:				List[str]							= []
						letters += traverse_tree(treenode.left       ,			bitstring + "0"					)
						letters += traverse_tree(treenode.right       ,			bitstring + "1"					)
						return letters







def     A_   (					_UpperCAmelCase					):
						SCREAMING_SNAKE_CASE_:				Any							= parse_file(_UpperCAmelCase					)
						SCREAMING_SNAKE_CASE_:				List[Any]							= build_tree(_UpperCAmelCase					)
						SCREAMING_SNAKE_CASE_:				List[Any]							= {
						    k: v for letter in traverse_tree(_UpperCAmelCase       ,			""					) for k, v in letter.bitstring.items()
						}
						print(f"Huffman Coding  of {file_path}: "					)
						with open(_UpperCAmelCase					) as f:
												while True:
																		SCREAMING_SNAKE_CASE_:				List[Any]							= f.read(1					)
																		if not c:
																								break
																		print(letters[c]       ,			end=" "					)
						print()


if __name__ == "__main__":
						# pass the file path to the huffman function
						huffman(sys.argv[1])









def     A_   (					_UpperCAmelCase					):
						SCREAMING_SNAKE_CASE_:				Optional[Any]							= []
						SCREAMING_SNAKE_CASE_:				Any							= 1

						for i in range(len(_UpperCAmelCase					)					):
												if i + 1 < len(_UpperCAmelCase					) and text[i] == text[i + 1]:
																		count += 1
												else:
																		encoded.append((text[i], count)					)
																		SCREAMING_SNAKE_CASE_:				List[Any]							= 1

						return encoded







def     A_   (					_UpperCAmelCase					):
						return "".join(char * length for char, length in encoded					)


if __name__ == "__main__":
						from doctest import testmod

						testmod(name="""run_length_encode""", verbose=True)
						testmod(name="""run_length_decode""", verbose=True)






