code: 
  
  
  
  
  
  from __future__ import annotations
  
  import sys
  
  
  
  
  class   _UpperCAmelCase	:
  
  
  
  
  					def __init__(						self    ,      __lowerCAmelCase    ,      __lowerCAmelCase       )						->  Union[str, Any]:
  							UpperCamelCase__         =	letter
  							UpperCamelCase__         =	freq
  							UpperCamelCase__         =	{}
  
  
  
  
  					def __repr__(						self       )						->  str:
  							return F"""{self.letter}:{self.freq}"""
  
  
  
  
  class   _UpperCAmelCase	:
  
  
  
  
  					def __init__(						self    ,      __lowerCAmelCase    ,      __lowerCAmelCase    ,      __lowerCAmelCase       )						->  int:
  							UpperCamelCase__         =	freq
  							UpperCamelCase__         =	left
  							UpperCamelCase__         =	right
  
  
  
  def     a						(      _lowercase   :     str       )     ->list[Letter]:
  		UpperCamelCase__         =	{}
  		with open(_lowercase       ) as f:
  				while True:
  						UpperCamelCase__         =	f.read(1       )
  						if not c:
  								break
  						UpperCamelCase__         =	chars[c] + 1 if c in chars else 1
  		return sorted((Letter(_lowercase ,						_lowercase       ) for c, f in chars.items()) ,						key=lambda _lowercase       : x.freq       )
  
  def     a						(      _lowercase   :     list[Letter]       )     ->Letter | TreeNode:
  		UpperCamelCase__         =	letters  # type: ignore
  		while len(_lowercase       ) > 1:
  				UpperCamelCase__         =	response.pop(0       )
  				UpperCamelCase__         =	response.pop(0       )
  				UpperCamelCase__         =	left.freq + right.freq
  				UpperCamelCase__         =	TreeNode(_lowercase ,						_lowercase ,						_lowercase       )
  				response.append(_lowercase       )
  				response.sort(key=lambda _lowercase       : x.freq       )
  		return response[0]
  
  def     a						(      _lowercase   :     Letter | TreeNode ,						_lowercase   :     str       )     ->list[Letter]:
  		if isinstance(_lowercase ,						_lowercase       ):
  				UpperCamelCase__         =	bitstring
  				return [root]
  		UpperCamelCase__         =	root  # type: ignore
  		UpperCamelCase__         =	[]
  		letters += traverse_tree(treenode.left ,						bitstring + """0"""       )
  		letters += traverse_tree(treenode.right ,						bitstring + """1"""       )
  		return letters
  
  def     a						(      _lowercase   :     str       )     ->None:
  		UpperCamelCase__         =	parse_file(_lowercase       )
  		UpperCamelCase__         =	build_tree(_lowercase       )
  		UpperCamelCase__         =	{
  		    k: v for letter in traverse_tree(_lowercase ,						""""""       ) for k, v in letter.bitstring.items()
  		}
  		print(F"""Huffman Coding  of {file_path}: """       )
  		with open(_lowercase       ) as f:
  				while True:
  						UpperCamelCase__         =	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])
  
  
  
  
  
style_context: 
  
  
  
  
  
  def     a						(      _lowercase   :     List[str]       )     ->List[str]:
  		UpperCamelCase__         =	[7_0_1, 3_0_1, 1_3_2, 5_7, 2_3, 1_0, 4, 1]
  		for gap in gaps:
  				for i in range(_lowercase ,						len(_lowercase       )       ):
  						UpperCamelCase__         =	collection[i]
  						UpperCamelCase__         =	i
  						while j >= gap and collection[j - gap] > insert_value:
  								UpperCamelCase__         =	collection[j - gap]
  								j -= gap
  						if j != i:
  								UpperCamelCase__         =	insert_value
  		return collection
  
  
  if __name__ == "__main__":
  				from doctest import testmod
  
  				testmod()
  				__lowerCAmelCase     =			input("Enter numbers separated by a comma:\n").strip()
  				__lowerCAmelCase     =			[int(item) for item in user_input.split(",")]
  				print(shell_sort(unsorted))
  
  
  
  
  
  