






'''simple docstring'''





from __future__ import annotations
def        UpperCAmelCase      (   _lowercase,      _lowercase      ):


    '''simple docstring'''



    _lowercase ,    _lowercase ,    _lowercase     =	'', '', ''
    _lowercase     =	[]

    for character in message_part:
        tmp.append(character_to_number[character]      )

    for each in tmp:
        one += each[0]
        two += each[1]
        three += each[2]

    return one + two + three
def        UpperCAmelCase      (   _lowercase,      _lowercase      ):


    '''simple docstring'''



    _lowercase ,    _lowercase     =	'', ''
    _lowercase     =	[]

    for character in message_part:
        this_part += character_to_number[character]

    for digit in this_part:
        tmp += digit
        if len(_lowercase      ) == len(_lowercase      ):
            result.append(_lowercase      )
            _lowercase     =	''

    return result[0], result[1], result[2]
def        UpperCAmelCase      (   _lowercase,      _lowercase      ):


    '''simple docstring'''



    _lowercase     =	alphabet.replace(' ',      ''      ).upper()
    _lowercase     =	message.replace(' ',      ''      ).upper()

    # Check length and characters
    if len(_lowercase      ) != 27:
        raise KeyError('Length of alphabet has to be 27.'      )
    for each in message:
        if each not in alphabet:
            raise ValueError('Each message character has to be included in alphabet!'      )

    # Generate dictionares
    _lowercase     =	(
        '111',
        '112',
        '113',
        '121',
        '122',
        '123',
        '131',
        '132',
        '133',
        '211',
        '212',
        '213',
        '221',
        '222',
        '223',
        '231',
        '232',
        '233',
        '311',
        '312',
        '313',
        '321',
        '322',
        '323',
        '331',
        '332',
        '333',
    )
    _lowercase     =	{}
    _lowercase     =	{}
    for letter, number in zip(_lowercase,      _lowercase      ):
        _lowercase     =	number
        _lowercase     =	letter

    return message, alphabet, character_to_number, number_to_character
def        UpperCAmelCase      (   _lowercase,      _lowercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ.",      _lowercase = 5      ):


    '''simple docstring'''



    _lowercase ,    _lowercase ,    _lowercase ,    _lowercase     =	__prepare(
        _lowercase,      _lowercase      )
    _lowercase ,    _lowercase     =	'', ''

    for i in range(0,      len(_lowercase      ) + 1,      _lowercase      ):
        encrypted_numeric += __encrypt_part(
            message[i : i + period],      _lowercase      )

    for i in range(0,      len(_lowercase      ),      3      ):
        encrypted += number_to_character[encrypted_numeric[i : i + 3]]

    return encrypted
def        UpperCAmelCase      (   _lowercase,      _lowercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ.",      _lowercase = 5      ):


    '''simple docstring'''



    _lowercase ,    _lowercase ,    _lowercase ,    _lowercase     =	__prepare(
        _lowercase,      _lowercase      )
    _lowercase     =	[]
    _lowercase     =	''

    for i in range(0,      len(_lowercase      ) + 1,      _lowercase      ):
        _lowercase ,    _lowercase ,    _lowercase     =	__decrypt_part(message[i : i + period],      _lowercase      )

        for j in range(0,      len(_lowercase      )      ):
            decrypted_numeric.append(a[j] + b[j] + c[j]      )

    for each in decrypted_numeric:
        decrypted += number_to_character[each]

    return decrypted


if __name__ == "__main__":
   lowerCamelCase										=  '''DEFEND THE EAST WALL OF THE CASTLE.'''
   lowerCamelCase										=  encrypt_message(msg, '''EPSDUCVWYM.ZLKXNBTFGORIJHAQ''')
   lowerCamelCase										=  decrypt_message(encrypted, '''EPSDUCVWYM.ZLKXNBTFGORIJHAQ''')
   print(f"Encrypted: {encrypted}\nDecrypted: {decrypted}")








from __future__ import annotations
def        UpperCAmelCase      (   _lowercase,      _lowercase      ):


    '''simple docstring'''



    _lowercase     =	[None] * (len(_lowercase      ) + len(_lowercase      ))

    _lowercase     =	0  # pointer to current index for left Half
    _lowercase     =	0  # pointer to current index for the right Half
    _lowercase     =	0  # pointer to current index for the sorted array Half

    while pointera < len(_lowercase      ) and pointera < len(_lowercase      ):
        if left_half[pointera] < right_half[pointera]:
            _lowercase     =	left_half[pointera]
            pointera += 1
            index += 1
        else:
            _lowercase     =	right_half[pointera]
            pointera += 1
            index += 1
    while pointera < len(_lowercase      ):
        _lowercase     =	left_half[pointera]
        pointera += 1
        index += 1

    while pointera < len(_lowercase      ):
        _lowercase     =	right_half[pointera]
        pointera += 1
        index += 1

    return sorted_array
def        UpperCAmelCase      (   _lowercase      ):


    '''simple docstring'''



    if len(_lowercase      ) <= 1:
        return array
    # the actual formula to calculate the middle element = left + (right - left) // 2
    # this avoids integer overflow in case of large N
    _lowercase     =	0 + (len(_lowercase      ) - 0) // 2

    # Split the array into halves till the array length becomes equal to One
    # merge the arrays of single length returned by mergeSort function and
    # pass them into the merge arrays function which merges the array
    _lowercase     =	array[:middle]
    _lowercase     =	array[middle:]

    return merge(merge_sort(_lowercase      ),      merge_sort(_lowercase      )      )


if __name__ == "__main__":
   import doctest

   doctest.testmod()
