code: 
  from typing import TYPE_CHECKING
  
  from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available
  
  
  _snake_case			:       Union[str, Any]      =						{"configuration_dinat": ["DINAT_PRETRAINED_CONFIG_ARCHIVE_MAP", "DinatConfig"]}
  
  
  try:
  						if not is_torch_available():
  												raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
  						pass
  else:
  						_snake_case			:       List[str]      =						[
  						    "DINAT_PRETRAINED_MODEL_ARCHIVE_LIST",
  						    "DinatForImageClassification",
  						    "DinatModel",
  						    "DinatPreTrainedModel",
  						    "DinatBackbone",
  						]
  
  if TYPE_CHECKING:
  						from .configuration_dinat import DINAT_PRETRAINED_CONFIG_ARCHIVE_MAP, DinatConfig
  
  						try:
  												if not is_torch_available():
  																		raise OptionalDependencyNotAvailable()
  						except OptionalDependencyNotAvailable:
  												pass
  						else:
  												from .modeling_dinat import (
  												    DINAT_PRETRAINED_MODEL_ARCHIVE_LIST,
  												    DinatBackbone,
  												    DinatForImageClassification,
  												    DinatModel,
  												    DinatPreTrainedModel,
  												)
  
  else:
  						import sys
  
  						_snake_case			:       Optional[int]      =						_LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)
  
style_context: 
  from __future__ import annotations
  
  import random
  import string
  
  
  
  
  
  class      UpperCamelCase_			:
  
  
  
  
  
  
  
  						'''simple docstring'''
  
  
  
  						def __init__( self       :Dict		,						lowerCAmelCase__       :str | None = None    )     ->None:
  										lowercase						    =			passcode or self.__passcode_creator()
  										lowercase						    =			self.__make_key_list()
  										lowercase						    =			self.__make_shift_key()
  
  
  
  
  
  						def __str__( self       :Dict    )     ->str:
  										return "".join(self.__passcode    )
  
  
  
  
  
  						def 					SCREAMING_SNAKE_CASE( self       :str		,						lowerCAmelCase__       :list[int]    )     ->list[int]:
  										for i in range(1		,						len(lowerCAmelCase__    )		,						2    ):
  														iterlist[i] *= -1
  										return iterlist
  
  
  
  
  
  						def 					SCREAMING_SNAKE_CASE( self       :int    )     ->list[str]:
  										lowercase						    =			string.ascii_letters + string.digits
  										lowercase						    =			[random.choice(lowerCAmelCase__    ) for _ in range(random.randint(10		,						20    )    )]
  										return password
  
  
  
  
  
  						def 					SCREAMING_SNAKE_CASE( self       :Union[str, Any]    )     ->list[str]:
  										lowercase						    =			(
  										    string.ascii_letters + string.digits + string.punctuation + " \t\n"
  										)
  
  										lowercase						    =			[]
  
  										# creates points known as breakpoints to break the key_list_options at those
  										# points and pivot each substring
  										lowercase						    =			sorted(set(self.__passcode    )    )
  										lowercase						    =			[]
  
  										# algorithm for creating a new shuffled list, keys_l, out of key_list_options
  										for i in key_list_options:
  														temp_list.extend(lowerCAmelCase__    )
  
  														# checking breakpoints at which to pivot temporary sublist and add it into
  														# keys_l
  														if i in breakpoints or i == key_list_options[-1]:
  																		keys_l.extend(temp_list[::-1]    )
  																		temp_list.clear()
  
          # returning a shuffled keys_l to prevent brute force guessing of shift key
  										return keys_l
  
  
  
  
  
  						def 					SCREAMING_SNAKE_CASE( self       :Optional[int]    )     ->int:
  										lowercase						    =			sum(self.__neg_pos([ord(lowerCAmelCase__    ) for x in self.__passcode]    )    )
  										return num if num > 0 else len(self.__passcode    )
  
  
  
  
  
  						def 					SCREAMING_SNAKE_CASE( self       :str		,						lowerCAmelCase__       :str    )     ->str:
  										lowercase						    =			""
  
  										# decoding shift like Caesar cipher algorithm implementing negative shift or
  										# reverse shift or left shift
  										for i in encoded_message:
  														lowercase						    =			self.__key_list.index(lowerCAmelCase__    )
  														decoded_message += self.__key_list[
  														    (position - self.__shift_key) % -len(self.__key_list    )
  														]
  
  										return decoded_message
  
  
  
  
  
  						def 					SCREAMING_SNAKE_CASE( self       :Dict		,						lowerCAmelCase__       :str    )     ->str:
  										lowercase						    =			""
  
  										# encoding shift like Caesar cipher algorithm implementing positive shift or
  										# forward shift or right shift
  										for i in plaintext:
  														lowercase						    =			self.__key_list.index(lowerCAmelCase__    )
  														encoded_message += self.__key_list[
  														    (position + self.__shift_key) % len(self.__key_list    )
  														]
  
  										return encoded_message
  
  
  
  
  def    __snake_case       (  __magic_name__ = "Hello, this is a modified Caesar cipher"	):
  
  
  
  
  
  
  
  				'''simple docstring'''
  
  
  				lowercase						    =			ShuffledShiftCipher()
  				return cipa.decrypt(cipa.encrypt(__magic_name__	)	)
  
  
  if __name__ == "__main__":
  						import doctest
  
  						doctest.testmod()
  