




'''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()







'''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])

