

"""simple docstring"""




def 	UpperCAmelCase__   (				A__   )      ->      Optional[Any]:




   """simple docstring"""
   lowerCamelCase__						=			[]
   lowerCamelCase__						=			[]
   lowerCamelCase__						=			{
       "^": 3,
       "*": 2,
       "/": 2,
       "%": 2,
       "+": 1,
       "-": 1,
   }  # Priority of each operator
   lowerCamelCase__						=			len(A__   ) if (len(A__   ) > 7) else 7

   # Print table header for output
   print(
       "Symbol".center(8   )	,    "Stack".center(A__   )	,    "Postfix".center(A__   )	,    sep=" | "	,    )
   print("-" * (print_width * 3 + 7)   )

   for x in infix:
      if x.isalpha() or x.isdigit():
         post_fix.append(A__   )  # if x is Alphabet / Digit, add it to Postfix
      elif x == "(":
         stack.append(A__   )  # if x is "(" push to Stack
      elif x == ")":  # if x is ")" pop stack until "(" is encountered
         while stack[-1] != "(":
            post_fix.append(stack.pop()   )  # Pop stack & add the content to Postfix
         stack.pop()
      else:
         if len(A__   ) == 0:
            stack.append(A__   )  # If stack is empty, push x to stack
         else:  # while priority of x is not > priority of element in the stack
            while len(A__   ) > 0 and priority[x] <= priority[stack[-1]]:
               post_fix.append(stack.pop()   )  # pop stack & add to Postfix
            stack.append(A__   )  # push x to stack

      print(
          x.center(8   )	,    ("".join(A__   )).ljust(A__   )	,    ("".join(A__   )).ljust(A__   )	,    sep=" | "	,    )  # Output in tabular format

   while len(A__   ) > 0:  # while stack is not empty
      post_fix.append(stack.pop()   )  # pop stack & add to Postfix
      print(
          " ".center(8   )	,    ("".join(A__   )).ljust(A__   )	,    ("".join(A__   )).ljust(A__   )	,    sep=" | "	,    )  # Output in tabular format

   return "".join(A__   )  # return Postfix as str



def 	UpperCAmelCase__   (				A__   )      ->      Optional[int]:




   """simple docstring"""
   lowerCamelCase__						=			list(infix[::-1]   )  # reverse the infix equation

   for i in range(len(A__   )   ):
      if infix[i] == "(":
         lowerCamelCase__						=			")"  # change "(" to ")"
      elif infix[i] == ")":
         lowerCamelCase__						=			"("  # change ")" to "("

   return (infix_2_postfix("".join(A__   )   ))[
       ::-1
   ]  # call infix_2_postfix on Infix, return reverse of Postfix


if __name__ == "__main__":
     SCREAMING_SNAKE_CASE_     :			Dict	  =			input('''\nEnter an Infix Equation = ''')  # Input an Infix equation
     SCREAMING_SNAKE_CASE_     :			Dict	  =			''''''.join(Infix.split())  # Remove spaces from the input
     print('''\n\t''', Infix, '''(Infix) -> ''', infix_2_prefix(Infix), '''(Prefix)''')







"""simple docstring"""




import copy

from ...configuration_utils import PretrainedConfig
from ...utils import logging


SCREAMING_SNAKE_CASE_     :			Dict	  =			logging.get_logger(__name__)


class 		_A       (			__a					):
      __a								=	'encoder-decoder'
      __a								=	True





      def __init__(  self    ,						**SCREAMING_SNAKE_CASE__		)   ->					Optional[int]:
         super().__init__(**SCREAMING_SNAKE_CASE__		)
         assert (
             "encoder" in kwargs and "decoder" in kwargs
         ), "Config has to be initialized with encoder and decoder config"
         lowerCamelCase__						=			kwargs.pop("encoder"		)
         lowerCamelCase__						=			encoder_config.pop("model_type"		)
         lowerCamelCase__						=			kwargs.pop("decoder"		)
         lowerCamelCase__						=			decoder_config.pop("model_type"		)

         from ..auto.configuration_auto import AutoConfig

         lowerCamelCase__						=			AutoConfig.for_model(SCREAMING_SNAKE_CASE__    ,						**SCREAMING_SNAKE_CASE__		)
         lowerCamelCase__						=			AutoConfig.for_model(SCREAMING_SNAKE_CASE__    ,						**SCREAMING_SNAKE_CASE__		)
         lowerCamelCase__						=			True





      @classmethod
      def 					_lowerCamelCase  (  cls    ,						SCREAMING_SNAKE_CASE__    ,						SCREAMING_SNAKE_CASE__    ,						**SCREAMING_SNAKE_CASE__		)   ->					PretrainedConfig:
         logger.info("Set `config.is_decoder=True` and `config.add_cross_attention=True` for decoder_config"		)
         lowerCamelCase__						=			True
         lowerCamelCase__						=			True

         return cls(encoder=encoder_config.to_dict()    ,						decoder=decoder_config.to_dict()    ,						**SCREAMING_SNAKE_CASE__		)





      def 					_lowerCamelCase  (  self		)   ->					int:
         lowerCamelCase__						=			copy.deepcopy(self.__dict__		)
         lowerCamelCase__						=			self.encoder.to_dict()
         lowerCamelCase__						=			self.decoder.to_dict()
         lowerCamelCase__						=			self.__class__.model_type
         return output




