code: 
  
  
  import io
  import json
  import subprocess
  
  
  __snake_case             =	[
      ['''en''', '''ru'''],
      ['''ru''', '''en'''],
      ['''en''', '''de'''],
      ['''de''', '''en'''],
  ]
  
  __snake_case             =	8
  
  
  
  
  
  
  def 		_A		(		_lowercase				,     _lowercase   )				->   Optional[Any]:
  
  
       """simple docstring"""
  
  
       __UpperCamelCase   = {}
       for src, tgt in pairs:
            __UpperCamelCase   = f'''{src}-{tgt}'''
            __UpperCamelCase   = f'''sacrebleu -t wmt19 -l {pair} --echo src'''.split()
            __UpperCamelCase   = subprocess.run(_lowercase				,     stdout=subprocess.PIPE   ).stdout.decode('utf-8'   ).splitlines()
            __UpperCamelCase   = f'''sacrebleu -t wmt19 -l {pair} --echo ref'''.split()
            __UpperCamelCase   = subprocess.run(_lowercase				,     stdout=subprocess.PIPE   ).stdout.decode('utf-8'   ).splitlines()
            __UpperCamelCase   = {'src': src_lines[:n_objs], 'tgt': tgt_lines[:n_objs]}
       return text
  
  
  __snake_case             =	get_all_data(pairs, n_objs)
  __snake_case             =	'''./fsmt_val_data.json'''
  with io.open(filename, '''w''', encoding='''utf-8''') as f:
      __snake_case             =	json.dump(text, f, indent=2, ensure_ascii=False)
  
  
  
style_context: 
  
  
  from ..utils import DummyObject, requires_backends
  
  
  
  class   __lowerCamelCase (metaclass=_a	):
         _lowercase       							=    ["""torch""", """transformers""", """k_diffusion"""]
  
  
  
  
  
  
  
         def __init__( self:   Tuple,*A_:   Union[str, Any],**A_:   Tuple				):
  
  
  
  
  
  
              '''simple docstring'''
  
  
  
  
              requires_backends(self,['torch', 'transformers', 'k_diffusion']				)
  
  
  
  
  
  
  
         @classmethod
         def 		snake_case_  ( cls:   int,*A_:   Optional[Any],**A_:   Tuple				):
  
  
  
  
  
  
              '''simple docstring'''
  
  
  
  
              requires_backends(cls,['torch', 'transformers', 'k_diffusion']				)
  
  
  
  
  
  
  
         @classmethod
         def 		snake_case_  ( cls:   int,*A_:   Tuple,**A_:   Tuple				):
  
  
  
  
  
  
              '''simple docstring'''
  
  
  
  
              requires_backends(cls,['torch', 'transformers', 'k_diffusion']				)
  
  
  