




"""simple docstring"""



import itertools
import string
from collections.abc import Generator, Iterable







def   _SCREAMING_SNAKE_CASE       (							lowercase_      ,			lowercase_						)						->		Generator[tuple[str, ...], None, None]:
 A__	=    iter(lowercase_						)
 while True:
  A__	=    tuple(itertools.islice(lowercase_      ,			lowercase_						)						)
  if not chunk:
   return
  yield chunk







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		str:
 A__	=    "".join([c.upper() for c in dirty if c in string.ascii_letters]						)
 A__	=    ""

 if len(lowercase_						) < 2:
  return dirty

 for i in range(len(lowercase_						) - 1						):
  clean += dirty[i]

  if dirty[i] == dirty[i + 1]:
   clean += "X"

 clean += dirty[-1]

 if len(lowercase_						) & 1:
  clean += "X"

 return clean







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		list[str]:
 # I and J are used interchangeably to allow
 # us to use a 5x5 table (25 letters)
 A__	=    "ABCDEFGHIKLMNOPQRSTUVWXYZ"
 # we're using a list instead of a '2d' array because it makes the math
 # for setting up the table and doing the actual encoding/decoding simpler
 A__	=    []

 # copy key chars into the table if they are in `alphabet` ignoring duplicates
 for char in key.upper():
  if char not in table and char in alphabet:
   table.append(lowercase_						)

    # fill the rest of the table in with the remaining alphabet chars
 for char in alphabet:
  if char not in table:
   table.append(lowercase_						)

 return table







def   _SCREAMING_SNAKE_CASE       (							lowercase_      ,			lowercase_						)						->		str:
 A__	=    generate_table(lowercase_						)
 A__	=    prepare_input(lowercase_						)
 A__	=    ""

 # https://en.wikipedia.org/wiki/Playfair_cipher#Description
 for chara, chara in chunker(lowercase_      ,			2						):
  A__,				A__	=    divmod(table.index(lowercase_						)      ,			5						)
  A__,				A__	=    divmod(table.index(lowercase_						)      ,			5						)

  if rowa == rowa:
   ciphertext += table[rowa * 5 + (cola + 1) % 5]
   ciphertext += table[rowa * 5 + (cola + 1) % 5]
  elif cola == cola:
   ciphertext += table[((rowa + 1) % 5) * 5 + cola]
   ciphertext += table[((rowa + 1) % 5) * 5 + cola]
  else:  # rectangle
   ciphertext += table[rowa * 5 + cola]
   ciphertext += table[rowa * 5 + cola]

 return ciphertext







def   _SCREAMING_SNAKE_CASE       (							lowercase_      ,			lowercase_						)						->		str:
 A__	=    generate_table(lowercase_						)
 A__	=    ""

 # https://en.wikipedia.org/wiki/Playfair_cipher#Description
 for chara, chara in chunker(lowercase_      ,			2						):
  A__,				A__	=    divmod(table.index(lowercase_						)      ,			5						)
  A__,				A__	=    divmod(table.index(lowercase_						)      ,			5						)

  if rowa == rowa:
   plaintext += table[rowa * 5 + (cola - 1) % 5]
   plaintext += table[rowa * 5 + (cola - 1) % 5]
  elif cola == cola:
   plaintext += table[((rowa - 1) % 5) * 5 + cola]
   plaintext += table[((rowa - 1) % 5) * 5 + cola]
  else:  # rectangle
   plaintext += table[rowa * 5 + cola]
   plaintext += table[rowa * 5 + cola]

 return plaintext











"""simple docstring"""



import baseaa







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		bytes:
 return baseaa.aaaencode(string.encode("utf-8"						)						)







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		str:
 return baseaa.aaadecode(lowercase_						).decode("utf-8"						)


if __name__ == "__main__":
      import doctest

      doctest.testmod()





