code: 
  
  
  """simple docstring"""
  
  
  
  
  import sentencepiece as spm
  
  # pegasus:
  # 1. no bos
  # 2. eos_id is 1
  # 3. unk_id is 2
  # build a sample spm file accordingly
  spm.SentencePieceTrainer.train(
      '--input=botchan.txt --model_prefix=test_sentencepiece_no_bos --bos_id=-1 --unk_id=2  --eos_id=1  --vocab_size=1000'
  )
  
  # 4. now update the fixture
  # mv test_sentencepiece_no_bos.model ../../tests/fixtures/
  
  
  
  
  
style_context: 
  
  
  """simple docstring"""
  
  
  
  
  def 			a_   (  lowercase__   :str, lowercase__   :int = 13    ):
  			__lowerCamelCase        =			""""""
  			for c in s:
  						if "A" <= c <= "Z":
  									out += chr(ord("""A"""    ) + (ord(lowercase__    ) - ord("""A"""    ) + n) % 26    )
  						elif "a" <= c <= "z":
  									out += chr(ord("""a"""    ) + (ord(lowercase__    ) - ord("""a"""    ) + n) % 26    )
  						else:
  									out += c
  			return out
  
  
  
  
  
  def 			a_   (  ):
  			__lowerCamelCase        =			input("""Enter message: """    )
  
  			__lowerCamelCase        =			dencrypt(lowercase__, 13    )
  			print("""Encryption:""", lowercase__    )
  
  			__lowerCamelCase        =			dencrypt(lowercase__, 13    )
  			print("""Decryption: """, lowercase__    )
  
  
  if __name__ == "__main__":
  					import doctest
  
  					doctest.testmod()
  					main()
  
  
  
  
  