


import itertools
import string
from collections.abc import Generator, Iterable
def 			_a (      SCREAMING_SNAKE_CASE						,				SCREAMING_SNAKE_CASE     ):


		"""simple docstring"""




		lowercase__            =      iter(SCREAMING_SNAKE_CASE     )
		while True:
				lowercase__            =      tuple(itertools.islice(SCREAMING_SNAKE_CASE						,				SCREAMING_SNAKE_CASE     )     )
				if not chunk:
						return
				yield chunk
def 			_a (      SCREAMING_SNAKE_CASE     ):


		"""simple docstring"""




		lowercase__            =      ''''''.join([c.upper() for c in dirty if c in string.ascii_letters]     )
		lowercase__            =      ''''''

		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 			_a (      SCREAMING_SNAKE_CASE     ):


		"""simple docstring"""




		lowercase__            =      '''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
		lowercase__            =      []

		# 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 			_a (      SCREAMING_SNAKE_CASE						,				SCREAMING_SNAKE_CASE     ):


		"""simple docstring"""




		lowercase__            =      generate_table(SCREAMING_SNAKE_CASE     )
		lowercase__            =      prepare_input(SCREAMING_SNAKE_CASE     )
		lowercase__            =      ''''''

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


		"""simple docstring"""




		lowercase__            =      generate_table(SCREAMING_SNAKE_CASE     )
		lowercase__            =      ''''''

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






from __future__ import annotations


class        _a							:

							def __init__(							self:	Union[str, Any]    ,						UpperCamelCase_:	str    ,						UpperCamelCase_:	str							)			->   List[Any]:





									"""simple docstring"""







									lowercase__     ,		lowercase__            =      text, pattern
									lowercase__     ,		lowercase__            =      len(UpperCamelCase_							), len(UpperCamelCase_							)

							def       lowerCamelCase_ (							self:	Optional[int]    ,						UpperCamelCase_:	str							)			->   int:





									"""simple docstring"""







									for i in range(self.patLen - 1    ,						-1    ,						-1							):
											if char == self.pattern[i]:
													return i
									return -1

							def       lowerCamelCase_ (							self:	Optional[int]    ,						UpperCamelCase_:	int							)			->   int:





									"""simple docstring"""







									for i in range(self.patLen - 1    ,						-1    ,						-1							):
											if self.pattern[i] != self.text[current_pos + i]:
													return current_pos + i
									return -1


							def       lowerCamelCase_ (							self:	List[Any]							)			->   list[int]:





									"""simple docstring"""







									lowercase__            =      []
									for i in range(self.textLen - self.patLen + 1							):
											lowercase__            =      self.mismatch_in_text(UpperCamelCase_							)
											if mismatch_index == -1:
													positions.append(UpperCamelCase_							)
											else:
													lowercase__            =      self.match_in_pattern(self.text[mismatch_index]							)
													lowercase__            =      (
													    mismatch_index - match_index
													)  # shifting index lgtm [py/multiple-definition]
									return positions
lowerCAmelCase       =							'ABAABA'
lowerCAmelCase       =							'AB'
lowerCAmelCase       =							BoyerMooreSearch(text, pattern)
lowerCAmelCase       =							bms.bad_character_heuristic()

if len(positions) == 0:
			print('No match found')
else:
			print('Pattern found in following positions: ')
			print(positions)


