





from __future__ import annotations

from collections.abc import Iterator
from typing import Any
class 							snake_case_		:







		def __init__(		self      ,  __lowercase )					-> Dict:
				lowerCamelCase :			Any    		=data
				lowerCamelCase :			Node | None    		=None







		def __str__(		self )					-> Any:
				return F"{self.data}"

class 							snake_case_		:







		def __init__(		self )					-> List[str]:
				lowerCamelCase :			Node | None    		=None
				lowerCamelCase :			Node | None    		=None







		def __iter__(		self )					-> int:
				lowerCamelCase :			List[Any]    		=self.front
				while node:
						yield node.data
						lowerCamelCase :			Union[str, Any]    		=node.next







		def __len__(		self )					-> Union[str, Any]:
				return len(tuple(iter(self ) ) )







		def __str__(		self )					-> List[str]:
				return " <- ".join(str(snake_case_ ) for item in self )







		def       __lowercase (		self )					-> Optional[Any]:
				return len(self ) == 0







		def       __lowercase (		self      ,  __lowercase )					-> Union[str, Any]:
				lowerCamelCase :			Union[str, Any]    		=Node(snake_case_ )
				if self.is_empty():
						lowerCamelCase :			Optional[int]    		=node
				else:
						assert isinstance(self.rear      ,  snake_case_ )
						lowerCamelCase :			Union[str, Any]    		=node
						lowerCamelCase :			Any    		=node







		def       __lowercase (		self )					-> List[str]:

				if self.is_empty():
						raise IndexError('''dequeue from empty queue''' )
				assert isinstance(self.front      ,  snake_case_ )
				lowerCamelCase :			Dict    		=self.front
				lowerCamelCase :			List[Any]    		=self.front.next
				if self.front is None:
						lowerCamelCase :			Any    		=None
				return node.data







		def       __lowercase (		self )					-> List[str]:
				lowerCamelCase :			str    		=None


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

				testmod()


'''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)






