




'''simple docstring'''





import random
import sys

lowercase__				=	"""ABCDEFGHIJKLMNOPQRSTUVWXYZ"""


def 				UpperCamelCase	(  ):




   '''simple docstring'''

   SCREAMING_SNAKE_CASE__			:				Optional[Any]       						= input('''Enter message: '''   )
   SCREAMING_SNAKE_CASE__			:				Union[str, Any]       						= """LFWOAYUISVKMNXPBDCRJTQEGHZ"""
   SCREAMING_SNAKE_CASE__			:				Any       						= input('''Encrypt/Decrypt [e/d]: '''   )

   check_valid_key(__lowerCamelCase   )

   if resp.lower().startswith('''e'''   ):
      SCREAMING_SNAKE_CASE__			:				Union[str, Any]       						= """encrypt"""
      SCREAMING_SNAKE_CASE__			:				Union[str, Any]       						= encrypt_message(__lowerCamelCase	,     __lowerCamelCase   )
   elif resp.lower().startswith('''d'''   ):
      SCREAMING_SNAKE_CASE__			:				Optional[int]       						= """decrypt"""
      SCREAMING_SNAKE_CASE__			:				Optional[int]       						= decrypt_message(__lowerCamelCase	,     __lowerCamelCase   )

   print(f"""\n{mode.title()}ion: \n{translated}"""   )


def 				UpperCamelCase	(  snake_case   ):




   '''simple docstring'''

   SCREAMING_SNAKE_CASE__			:				List[str]       						= list(__lowerCamelCase   )
   SCREAMING_SNAKE_CASE__			:				Optional[Any]       						= list(__lowerCamelCase   )
   key_list.sort()
   letters_list.sort()

   if key_list != letters_list:
      sys.exit('''Error in the key or symbol set.'''   )


def 				UpperCamelCase	(  snake_case	,     snake_case   ):




   '''simple docstring'''

   return translate_message(__lowerCamelCase	,     __lowerCamelCase	,     '''encrypt'''   )


def 				UpperCamelCase	(  snake_case	,     snake_case   ):




   '''simple docstring'''

   return translate_message(__lowerCamelCase	,     __lowerCamelCase	,     '''decrypt'''   )


def 				UpperCamelCase	(  snake_case	,     snake_case	,     snake_case   ):




   '''simple docstring'''

   SCREAMING_SNAKE_CASE__			:				Optional[int]       						= """"""
   SCREAMING_SNAKE_CASE__			:				str       						= LETTERS
   SCREAMING_SNAKE_CASE__			:				List[str]       						= key

   if mode == "decrypt":
      SCREAMING_SNAKE_CASE__			:				Any       						= chars_b, chars_a

   for symbol in message:
      if symbol.upper() in chars_a:
         SCREAMING_SNAKE_CASE__			:				List[str]       						= chars_a.find(symbol.upper()   )
         if symbol.isupper():
            translated += chars_b[sym_index].upper()
         else:
            translated += chars_b[sym_index].lower()
      else:
         translated += symbol

   return translated


def 				UpperCamelCase	(  ):




   '''simple docstring'''

   SCREAMING_SNAKE_CASE__			:				Optional[int]       						= list(__lowerCamelCase   )
   random.shuffle(__lowerCamelCase   )
   return "".join(__lowerCamelCase   )


if __name__ == "__main__":
       main()







'''simple docstring'''





def 				UpperCamelCase	(  snake_case = 99_80_01   ):




   '''simple docstring'''

   for number in range(n - 1	,     99_99	,     -1   ):
      SCREAMING_SNAKE_CASE__			:				int       						= str(snake_case   )

      # checks whether 'str_number' is a palindrome.
      if str_number == str_number[::-1]:
         SCREAMING_SNAKE_CASE__			:				Any       						= 9_99

         # if 'number' is a product of two 3-digit numbers
         # then number is the answer otherwise fetch next number.
         while divisor != 99:
            if (number % divisor == 0) and (len(str(number // divisor   )   ) == 3.0):
               return number
            divisor -= 1
   raise ValueError('''That number is larger than our acceptable range.'''   )


if __name__ == "__main__":
       print(F"{solution() = }")

