


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



def 				UpperCamelCase_(      lowerCamelCase_							, lowerCamelCase_ )    ->						Union[str, Any]:
    _lowercase       :							Optional[Any]      		=		iter(snake_case__ )
    while True:
        _lowercase       :							List[str]      		=		tuple(itertools.islice(snake_case__							, snake_case__ ) )
        if not chunk:
            return
        yield chunk



def 				UpperCamelCase_(      lowerCamelCase_ )    ->						List[Any]:
    _lowercase       :							Union[str, Any]      		=		"""""".join([c.upper() for c in dirty if c in string.ascii_letters] )
    _lowercase       :							List[str]      		=		""""""

    if len(snake_case__ ) < 2:
        return dirty

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

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

    clean += dirty[-1]

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

    return clean



def 				UpperCamelCase_(      lowerCamelCase_ )    ->						Optional[Any]:
    _lowercase       :							Dict      		=		"""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       :							List[Any]      		=		[]

    # 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(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(snake_case__ )

    return table



def 				UpperCamelCase_(      lowerCamelCase_							, lowerCamelCase_ )    ->						str:
    _lowercase       :							Optional[int]      		=		generate_table(snake_case__ )
    _lowercase       :							Tuple      		=		prepare_input(snake_case__ )
    _lowercase       :							int      		=		""""""

    # https://en.wikipedia.org/wiki/Playfair_cipher#Description
    for chara, chara in chunker(snake_case__							, 2 ):
        _lowercase       :							int      		=		divmod(table.index(snake_case__ )							, 5 )
        _lowercase       :							Dict      		=		divmod(table.index(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 				UpperCamelCase_(      lowerCamelCase_							, lowerCamelCase_ )    ->						str:
    _lowercase       :							Union[str, Any]      		=		generate_table(snake_case__ )
    _lowercase       :							List[Any]      		=		""""""

    # https://en.wikipedia.org/wiki/Playfair_cipher#Description
    for chara, chara in chunker(snake_case__							, 2 ):
        _lowercase       :							Optional[int]      		=		divmod(table.index(snake_case__ )							, 5 )
        _lowercase       :							Tuple      		=		divmod(table.index(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 os
from typing import Dict, List, Tuple, TypeVar, Union


A_						=				TypeVar('''T''')

A_						=				Union[List[T], Tuple[T, ...]]
A_						=				Union[T, List[T], Dict[str, T]]
A_						=				Union[str, bytes, os.PathLike]


