


'''simple docstring'''



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






def   lowerCamelCase							(_SCREAMING_SNAKE_CASE				:       Iterable[str]						,				_SCREAMING_SNAKE_CASE				:       int       ):
					__a      :	Optional[int]    =  iter(_SCREAMING_SNAKE_CASE       )
					while True:
										__a      :	List[str]    =  tuple(itertools.islice(_SCREAMING_SNAKE_CASE						,				_SCREAMING_SNAKE_CASE       )       )
										if not chunk:
															return
										yield chunk






def   lowerCamelCase							(_SCREAMING_SNAKE_CASE				:       str       ):
					__a      :	int    =  ''.join([c.upper() for c in dirty if c in string.ascii_letters]       )
					__a      :	Optional[Any]    =  ''

					if len(_SCREAMING_SNAKE_CASE       ) < 2:
										return dirty

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

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

					clean += dirty[-1]

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

					return clean






def   lowerCamelCase							(_SCREAMING_SNAKE_CASE				:       str       ):
					# I and J are used interchangeably to allow
					# us to use a 5x5 table (25 letters)
					__a      :	int    =  '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      :	int    =  []

					# 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(_SCREAMING_SNAKE_CASE       )

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

					return table






def   lowerCamelCase							(_SCREAMING_SNAKE_CASE				:       str						,				_SCREAMING_SNAKE_CASE				:       str       ):
					__a      :	Optional[Any]    =  generate_table(_SCREAMING_SNAKE_CASE       )
					__a      :	Optional[int]    =  prepare_input(_SCREAMING_SNAKE_CASE       )
					__a      :	int    =  ''

					# https://en.wikipedia.org/wiki/Playfair_cipher#Description
					for chara, chara in chunker(_SCREAMING_SNAKE_CASE						,				2       ):
										__a   ,    __a      :	int    =  divmod(table.index(_SCREAMING_SNAKE_CASE       )						,				5       )
										__a   ,    __a      :	Optional[int]    =  divmod(table.index(_SCREAMING_SNAKE_CASE       )						,				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   lowerCamelCase							(_SCREAMING_SNAKE_CASE				:       str						,				_SCREAMING_SNAKE_CASE				:       str       ):
					__a      :	str    =  generate_table(_SCREAMING_SNAKE_CASE       )
					__a      :	Optional[Any]    =  ''

					# https://en.wikipedia.org/wiki/Playfair_cipher#Description
					for chara, chara in chunker(_SCREAMING_SNAKE_CASE						,				2       ):
										__a   ,    __a      :	int    =  divmod(table.index(_SCREAMING_SNAKE_CASE       )						,				5       )
										__a   ,    __a      :	Tuple    =  divmod(table.index(_SCREAMING_SNAKE_CASE       )						,				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 re

from filelock import FileLock


try:
	import nltk

	__lowercase     :						Optional[Any]	=     True
except (ImportError, ModuleNotFoundError):
	__lowercase     :						Dict	=     False

if NLTK_AVAILABLE:
	with FileLock('.lock') as lock:
		nltk.download('punkt', quiet=True)






def   lowerCamelCase							(_SCREAMING_SNAKE_CASE				:       str       ):
					re.sub('<n>'						,				''						,				_SCREAMING_SNAKE_CASE       )  # remove pegasus newline char
					assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
					return "\n".join(nltk.sent_tokenize(_SCREAMING_SNAKE_CASE       )       )



