code: 
  
  
  
  
  '''simple docstring'''
  
  
  
  
  
  from __future__ import annotations
  
  from collections.abc import Iterable
  from dataclasses import dataclass
  from typing import Any
  
  
  
  
  
  
  class 						lowercase     :
        __lowercase 		=  ('''_front''', '''_back''', '''_len''')
  
  
  
  
  
  
        @dataclass
        class 						lowercase     :
              __lowercase 		=  None
              __lowercase 		=  None
              __lowercase 		=  None
  
  
  
  
  
  
        class 						lowercase     :
              __lowercase 		=  ('''_cur''',)
  
  
  
  
  
  
              def __init__(self ,  a__					)       ->   None:
                 SCREAMING_SNAKE_CASE__			:				Tuple       						= cur
  
  
  
  
  
  
              def __iter__(self					)       ->   Deque._Iterator:
                 return self
  
  
  
  
  
  
              def    A__(self					)       ->   Any:
                 if self._cur is None:
                    # finished iterating
                    raise StopIteration
                 SCREAMING_SNAKE_CASE__			:				str       						= self._cur.val
                 SCREAMING_SNAKE_CASE__			:				Dict       						= self._cur.next_node
  
                 return val
  
  
  
  
  
  
        def __init__(self ,  a__ = None					)       ->   None:
           SCREAMING_SNAKE_CASE__			:				Any       						= None
           SCREAMING_SNAKE_CASE__			:				Any       						= None
           SCREAMING_SNAKE_CASE__			:				int       						= 0
  
           if iterable is not None:
              # append every value to the deque
              for val in iterable:
                 self.append(a__					)
  
  
  
  
  
  
        def    A__(self ,  a__					)       ->   None:
           SCREAMING_SNAKE_CASE__			:				Optional[Any]       						= self._Node(a__ ,  a__ ,  a__					)
           if self.is_empty():
              # front = back
              SCREAMING_SNAKE_CASE__			:				Optional[int]       						= node
              SCREAMING_SNAKE_CASE__			:				Optional[int]       						= 1
           else:
              # connect nodes
              SCREAMING_SNAKE_CASE__			:				Dict       						= node
              SCREAMING_SNAKE_CASE__			:				List[Any]       						= self._back
              SCREAMING_SNAKE_CASE__			:				List[str]       						= node  # assign new back to the new node
  
              self._len += 1
  
              # make sure there were no errors
              assert not self.is_empty(), "Error on appending value."
  
  
  
  
  
  
        def    A__(self ,  a__					)       ->   None:
           SCREAMING_SNAKE_CASE__			:				Union[str, Any]       						= self._Node(a__ ,  a__ ,  a__					)
           if self.is_empty():
              # front = back
              SCREAMING_SNAKE_CASE__			:				int       						= node
              SCREAMING_SNAKE_CASE__			:				Union[str, Any]       						= 1
           else:
              # connect nodes
              SCREAMING_SNAKE_CASE__			:				Tuple       						= self._front
              SCREAMING_SNAKE_CASE__			:				List[str]       						= node
              SCREAMING_SNAKE_CASE__			:				Union[str, Any]       						= node  # assign new front to the new node
  
              self._len += 1
  
              # make sure there were no errors
              assert not self.is_empty(), "Error on appending value."
  
  
  
  
  
  
        def    A__(self ,  a__					)       ->   None:
           for val in iterable:
              self.append(a__					)
  
  
  
  
  
  
        def    A__(self ,  a__					)       ->   None:
           for val in iterable:
              self.appendleft(a__					)
  
  
  
  
  
  
        def    A__(self					)       ->   Any:
           assert not self.is_empty(), "Deque is empty."
  
           SCREAMING_SNAKE_CASE__			:				Tuple       						= self._back
           SCREAMING_SNAKE_CASE__			:				Tuple       						= self._back.prev_node  # set new back
           # drop the last node - python will deallocate memory automatically
           SCREAMING_SNAKE_CASE__			:				Tuple       						= None
  
           self._len -= 1
  
           return topop.val
  
  
  
  
  
  
        def    A__(self					)       ->   Any:
           assert not self.is_empty(), "Deque is empty."
  
           SCREAMING_SNAKE_CASE__			:				Optional[int]       						= self._front
           SCREAMING_SNAKE_CASE__			:				Optional[Any]       						= self._front.next_node  # set new front and drop the first node
           SCREAMING_SNAKE_CASE__			:				Optional[int]       						= None
  
           self._len -= 1
  
           return topop.val
  
  
  
  
  
  
        def    A__(self					)       ->   bool:
           return self._front is None
  
  
  
  
  
  
        def __len__(self					)       ->   int:
           return self._len
  
  
  
  
  
  
        def __eq__(self ,  a__					)       ->   bool:
  
           if not isinstance(a__ ,  a__					):
              return NotImplemented
  
           SCREAMING_SNAKE_CASE__			:				str       						= self._front
           SCREAMING_SNAKE_CASE__			:				str       						= other._front
  
           # if the length of the dequeues are not the same, they are not equal
           if len(self					) != len(a__					):
              return False
  
           while me is not None and oth is not None:
              # compare every value
              if me.val != oth.val:
                 return False
              SCREAMING_SNAKE_CASE__			:				Optional[Any]       						= me.next_node
              SCREAMING_SNAKE_CASE__			:				str       						= oth.next_node
  
           return True
  
  
  
  
  
  
        def __iter__(self					)       ->   Deque._Iterator:
           return Deque._Iterator(self._front					)
  
  
  
  
  
  
        def __repr__(self					)       ->   str:
           SCREAMING_SNAKE_CASE__			:				Optional[int]       						= []
           SCREAMING_SNAKE_CASE__			:				List[Any]       						= self._front
           while aux is not None:
              # append the values in a list to display
              values_list.append(aux.val					)
              SCREAMING_SNAKE_CASE__			:				str       						= aux.next_node
  
           return f"""[{", ".join(repr(a__					) for val in values_list					)}]"""
  
  
  if __name__ == "__main__":
         import doctest
  
         doctest.testmod()
  
  
style_context: 
  
  
  
  
  '''simple docstring'''
  
  
  
  
  
  from __future__ import annotations
  
  import sys
  
  
  
  
  
  
  class 						lowercase     :
  
  
  
  
  
  
        def __init__(self ,  a__ ,  a__					)       ->   List[str]:
           SCREAMING_SNAKE_CASE__			:				str       						= letter
           SCREAMING_SNAKE_CASE__			:				int       						= freq
           SCREAMING_SNAKE_CASE__			:				dict[str, str]       						= {}
  
  
  
  
  
  
        def __repr__(self					)       ->   str:
           return f"""{self.letter}:{self.freq}"""
  
  
  
  
  
  
  class 						lowercase     :
  
  
  
  
  
  
        def __init__(self ,  a__ ,  a__ ,  a__					)       ->   Union[str, Any]:
           SCREAMING_SNAKE_CASE__			:				int       						= freq
           SCREAMING_SNAKE_CASE__			:				Letter | TreeNode       						= left
           SCREAMING_SNAKE_CASE__			:				Letter | TreeNode       						= right
  
  
  def 				UpperCamelCase	(  snake_case   ):
  
  
  
  
     '''simple docstring'''
  
     SCREAMING_SNAKE_CASE__			:				dict[str, int]       						= {}
     with open(snake_case   ) as f:
        while True:
           SCREAMING_SNAKE_CASE__			:				List[str]       						= f.read(1   )
           if not c:
              break
           SCREAMING_SNAKE_CASE__			:				Optional[Any]       						= chars[c] + 1 if c in chars else 1
     return sorted((Letter(snake_case	,     snake_case   ) for c, f in chars.items())	,     key=lambda snake_case   : x.freq   )
  
  
  def 				UpperCamelCase	(  snake_case   ):
  
  
  
  
     '''simple docstring'''
  
     SCREAMING_SNAKE_CASE__			:				list[Letter | TreeNode]       						= letters  # type: ignore
     while len(snake_case   ) > 1:
        SCREAMING_SNAKE_CASE__			:				Optional[Any]       						= response.pop(0   )
        SCREAMING_SNAKE_CASE__			:				Union[str, Any]       						= response.pop(0   )
        SCREAMING_SNAKE_CASE__			:				Dict       						= left.freq + right.freq
        SCREAMING_SNAKE_CASE__			:				Any       						= TreeNode(snake_case	,     snake_case	,     snake_case   )
        response.append(snake_case   )
        response.sort(key=lambda snake_case   : x.freq   )
     return response[0]
  
  
  def 				UpperCamelCase	(  snake_case	,     snake_case   ):
  
  
  
  
     '''simple docstring'''
  
     if isinstance(snake_case	,     snake_case   ):
        SCREAMING_SNAKE_CASE__			:				Optional[int]       						= bitstring
        return [root]
     SCREAMING_SNAKE_CASE__			:				TreeNode       						= root  # type: ignore
     SCREAMING_SNAKE_CASE__			:				int       						= []
     letters += traverse_tree(treenode.left	,     bitstring + '''0'''   )
     letters += traverse_tree(treenode.right	,     bitstring + '''1'''   )
     return letters
  
  
  def 				UpperCamelCase	(  snake_case   ):
  
  
  
  
     '''simple docstring'''
  
     SCREAMING_SNAKE_CASE__			:				Optional[int]       						= parse_file(snake_case   )
     SCREAMING_SNAKE_CASE__			:				List[Any]       						= build_tree(snake_case   )
     SCREAMING_SNAKE_CASE__			:				List[str]       						= {
         k: v for letter in traverse_tree(snake_case	,     ''''''   ) for k, v in letter.bitstring.items()
     }
     print(f"""Huffman Coding  of {file_path}: """   )
     with open(snake_case   ) as f:
        while True:
           SCREAMING_SNAKE_CASE__			:				Tuple       						= 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])
  
  