class  __lowerCAmelCase	:



 '''simple docstring'''




 class  __lowerCAmelCase	:



  '''simple docstring'''
  _lowerCamelCase    :						Tuple					     =			'_prev', '_data', '_next'

  def __init__(      self							:		int							,      lowerCamelCase							:		List[Any]							,      lowerCamelCase							:		Any							,      lowerCamelCase							:		Union[str, Any]	)			->				List[Any]:
         _UpperCamelCase  :							str	    =	link_p
         _UpperCamelCase  :							Union[str, Any]	    =	element
         _UpperCamelCase  :							Tuple	    =	link_n

  def        __snake_case       (      self							:		Optional[int]	)			->				Optional[int]:
         return (
             f" Prev -> {self._prev is not None}, Next -> {self._next is not None}"
         )







 def __init__(      self							:		Optional[Any]	)			->				Union[str, Any]:
        _UpperCamelCase  :							int	    =	self._Node(lowerCamelCase							,      lowerCamelCase							,      lowerCamelCase	)
        _UpperCamelCase  :							str	    =	self._Node(lowerCamelCase							,      lowerCamelCase							,      lowerCamelCase	)
        _UpperCamelCase  :							List[Any]	    =	self._trailer
        _UpperCamelCase  :							List[Any]	    =	self._header
        _UpperCamelCase  :							Dict	    =	0

 def __len__(      self							:		List[str]	)			->				str:
        return self._size

 def        __snake_case       (      self							:		Dict	)			->				Union[str, Any]:
        return self.__len__() == 0

 def        __snake_case       (      self							:		Any							,      lowerCamelCase							:		str							,      lowerCamelCase							:		Any							,      lowerCamelCase							:		Union[str, Any]	)			->				Optional[Any]:
        # Create new_node by setting it's prev.link -> header
        # setting it's next.link -> trailer
        _UpperCamelCase  :							List[Any]	    =	self._Node(lowerCamelCase							,      lowerCamelCase							,      lowerCamelCase	)
        _UpperCamelCase  :							Tuple	    =	new_node
        _UpperCamelCase  :							Tuple	    =	new_node
        self._size += 1
        return self

 def        __snake_case       (      self							:		int							,      lowerCamelCase							:		Any	)			->				Union[str, Any]:
        _UpperCamelCase  :							int	    =	node._prev
        _UpperCamelCase  :							List[Any]	    =	node._next

        _UpperCamelCase  :							Any	    =	successor
        _UpperCamelCase  :							Dict	    =	predecessor
        self._size -= 1
        _UpperCamelCase  :							int	    =	node._data
        _UpperCamelCase  :							Tuple	    =	None
        del node
        return temp







class  __lowerCAmelCase	(							_DoublyLinkedBase    ):



 '''simple docstring'''

 def        __snake_case       (      self							:		List[str]	)			->				Optional[int]:
        if self.is_empty():
               raise Exception('List is empty'	)
        return self._header._next._data

 def        __snake_case       (      self							:		Optional[int]	)			->				List[str]:
        if self.is_empty():
               raise Exception('List is empty'	)
        return self._trailer._prev._data

 def        __snake_case       (      self							:		List[Any]							,      lowerCamelCase							:		List[Any]	)			->				int:
        return self._insert(self._header							,      lowerCamelCase							,      self._header._next	)

 def        __snake_case       (      self							:		Tuple							,      lowerCamelCase							:		Tuple	)			->				Any:
        return self._insert(self._trailer._prev							,      lowerCamelCase							,      self._trailer	)

 def        __snake_case       (      self							:		int	)			->				Dict:
        if self.is_empty():
               raise IndexError('remove_first from empty list'	)
        return self._delete(self._header._next	)

 def        __snake_case       (      self							:		Any	)			->				str:
        if self.is_empty():
               raise IndexError('remove_first from empty list'	)
        return self._delete(self._trailer._prev	)




'''simple docstring'''


import io
import json
import subprocess


snake_case__	:     Any      =    [
    ['''en''', '''ru'''],
    ['''ru''', '''en'''],
    ['''en''', '''de'''],
    ['''de''', '''en'''],
]

snake_case__	:     Tuple      =    8


def    _lowerCamelCase       ( lowerCamelCase_   :				Tuple      ,	lowerCamelCase_   :				Union[str, Any]  ):



     """simple docstring"""





     UpperCAmelCase_				:  List[Any]  = {}
     for src, tgt in pairs:
          UpperCAmelCase_				:  str  = F'''{src}-{tgt}'''
          UpperCAmelCase_				:  List[str]  = F'''sacrebleu -t wmt19 -l {pair} --echo src'''.split()
          UpperCAmelCase_				:  Any  = subprocess.run(lowerCamelCase_      ,	stdout=subprocess.PIPE  ).stdout.decode('utf-8'  ).splitlines()
          UpperCAmelCase_				:  Any  = F'''sacrebleu -t wmt19 -l {pair} --echo ref'''.split()
          UpperCAmelCase_				:  List[str]  = subprocess.run(lowerCamelCase_      ,	stdout=subprocess.PIPE  ).stdout.decode('utf-8'  ).splitlines()
          UpperCAmelCase_				:  str  = {'src': src_lines[:n_objs], 'tgt': tgt_lines[:n_objs]}
     return text


snake_case__	:     Union[str, Any]      =    get_all_data(pairs, n_objs)
snake_case__	:     Dict      =    '''./fsmt_val_data.json'''
with io.open(filename, '''w''', encoding='''utf-8''') as f:
 snake_case__	:     List[str]      =    json.dump(text, f, indent=2, ensure_ascii=False)






