

from string import ascii_uppercase

a		={char: i for i, char in enumerate(ascii_uppercase)}
a		=dict(enumerate(ascii_uppercase))






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__     ,			lowerCamelCase__      )  ->					str:
	__lowerCamelCase    :    Any 	=			len(lowerCamelCase__      )
	__lowerCamelCase    :    Tuple 	=			0
	while True:
		if x == i:
			__lowerCamelCase    :    Dict 	=			0
		if len(lowerCamelCase__      ) == len(lowerCamelCase__      ):
			break
		key += key[i]
		i += 1
	return key






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__     ,			lowerCamelCase__      )  ->					str:
	__lowerCamelCase    :    str 	=			''
	__lowerCamelCase    :    List[str] 	=			0
	for letter in message:
		if letter == " ":
			cipher_text += " "
		else:
			__lowerCamelCase    :    List[str] 	=			(dicta[letter] - dicta[key_new[i]]) % 2_6
			i += 1
			cipher_text += dicta[x]
	return cipher_text






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__     ,			lowerCamelCase__      )  ->					str:
	__lowerCamelCase    :    List[str] 	=			''
	__lowerCamelCase    :    Optional[int] 	=			0
	for letter in cipher_text:
		if letter == " ":
			or_txt += " "
		else:
			__lowerCamelCase    :    List[Any] 	=			(dicta[letter] + dicta[key_new[i]] + 2_6) % 2_6
			i += 1
			or_txt += dicta[x]
	return or_txt






def        SCREAMING_SNAKE_CASE__	(  )  ->					None:
	__lowerCamelCase    :    Optional[int] 	=			'THE GERMAN ATTACK'
	__lowerCamelCase    :    int 	=			'SECRET'
	__lowerCamelCase    :    Dict 	=			generate_key(lowerCamelCase__     ,			lowerCamelCase__      )
	__lowerCamelCase    :    Dict 	=			cipher_text(lowerCamelCase__     ,			lowerCamelCase__      )
	print(F"Encrypted Text = {s}"      )
	print(F"Original Text = {original_text(lowerCamelCase__     ,			lowerCamelCase__      )}"      )


if __name__ == "__main__":
					import doctest

					doctest.testmod()
					main()







from __future__ import annotations






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__     ,			lowerCamelCase__     ,			lowerCamelCase__     ,			lowerCamelCase__     ,			lowerCamelCase__     ,			)  ->					None:
	__lowerCamelCase    :    int 	=			len(lowerCamelCase__      )

	# If row is equal to the size of the board it means there are a queen in each row in
	# the current board (possible_board)
	if row == n:
		# We convert the variable possible_board that looks like this: [1, 3, 0, 2] to
		# this: ['. Q . . ', '. . . Q ', 'Q . . . ', '. . Q . ']
		boards.append(['. ' * i + 'Q ' + '. ' * (n - 1 - i) for i in possible_board]      )
		return

	# We iterate each column in the row to find all possible results in each row
	for col in range(lowerCamelCase__      ):
		# We apply that we learned previously. First we check that in the current board
		# (possible_board) there are not other same value because if there is it means
		# that there are a collision in vertical. Then we apply the two formulas we
		# learned before:
		#
		# 45º: y - x = b or 45: row - col = b
		# 135º: y + x = b or row + col = b.
		#
		# And we verify if the results of this two formulas not exist in their variables
		# respectively.  (diagonal_right_collisions, diagonal_left_collisions)
		#
		# If any or these are True it means there is a collision so we continue to the
		# next value in the for loop.
		if (
		    col in possible_board
		    or row - col in diagonal_right_collisions
		    or row + col in diagonal_left_collisions
		):
			continue

		# If it is False we call dfs function again and we update the inputs
		depth_first_search(
		    [*possible_board, col]     ,			[*diagonal_right_collisions, row - col]     ,			[*diagonal_left_collisions, row + col]     ,			lowerCamelCase__     ,			lowerCamelCase__     ,			)






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__      )  ->					None:
	__lowerCamelCase    :    list[list[str]] 	=			[]
	depth_first_search([]     ,			[]     ,			[]     ,			lowerCamelCase__     ,			lowerCamelCase__      )

	# Print all the boards
	for board in boards:
		for column in board:
			print(lowerCamelCase__      )
		print(''      )

	print(len(lowerCamelCase__      )     ,			'solutions were found.'      )


if __name__ == "__main__":
					import doctest

					doctest.testmod()
					n_queens_solution(4)




