



from __future__ import annotations
class 				__A					:





			def __init__(self							,    __magic_name__ = 0				):
						lowerCamelCase__ :      List[str]								=		key





			def        _snake_case    (self							,    __magic_name__							,    __magic_name__				):
						assert isinstance(lowerCamelCase_							,    lowerCamelCase_				) and isinstance(lowerCamelCase_							,    lowerCamelCase_				)

						lowerCamelCase__ :      Optional[int]								=		key or self.__key or 1

						# make sure key is an appropriate size
						key %= 255

						return [chr(ord(lowerCamelCase_				) ^ key				) for ch in content]





			def        _snake_case    (self							,    __magic_name__							,    __magic_name__				):
						assert isinstance(lowerCamelCase_							,    lowerCamelCase_				) and isinstance(lowerCamelCase_							,    lowerCamelCase_				)

						lowerCamelCase__ :      str								=		key or self.__key or 1

						# make sure key is an appropriate size
						key %= 255

						return [chr(ord(lowerCamelCase_				) ^ key				) for ch in content]





			def        _snake_case    (self							,    __magic_name__							,    __magic_name__ = 0				):
						assert isinstance(lowerCamelCase_							,    lowerCamelCase_				) and isinstance(lowerCamelCase_							,    lowerCamelCase_				)

						lowerCamelCase__ :      Tuple								=		key or self.__key or 1

						# make sure key can be any size
						while key > 255:
									key -= 255

						# This will be returned
						lowerCamelCase__ :      Optional[int]								=		""""""

						for ch in content:
									ans += chr(ord(lowerCamelCase_				) ^ key				)

						return ans





			def        _snake_case    (self							,    __magic_name__							,    __magic_name__ = 0				):
						assert isinstance(lowerCamelCase_							,    lowerCamelCase_				) and isinstance(lowerCamelCase_							,    lowerCamelCase_				)

						lowerCamelCase__ :      Dict								=		key or self.__key or 1

						# make sure key can be any size
						while key > 255:
									key -= 255

						# This will be returned
						lowerCamelCase__ :      int								=		""""""

						for ch in content:
									ans += chr(ord(lowerCamelCase_				) ^ key				)

						return ans





			def        _snake_case    (self							,    __magic_name__							,    __magic_name__ = 0				):
						assert isinstance(lowerCamelCase_							,    lowerCamelCase_				) and isinstance(lowerCamelCase_							,    lowerCamelCase_				)

						try:
									with open(lowerCamelCase_				) as fin, open("""encrypt.out"""							,    """w+"""				) as fout:
												# actual encrypt-process
												for line in fin:
															fout.write(self.encrypt_string(lowerCamelCase_							,    lowerCamelCase_				)				)

						except OSError:
									return False

						return True





			def        _snake_case    (self							,    __magic_name__							,    __magic_name__				):
						assert isinstance(lowerCamelCase_							,    lowerCamelCase_				) and isinstance(lowerCamelCase_							,    lowerCamelCase_				)

						try:
									with open(lowerCamelCase_				) as fin, open("""decrypt.out"""							,    """w+"""				) as fout:
												# actual encrypt-process
												for line in fin:
															fout.write(self.decrypt_string(lowerCamelCase_							,    lowerCamelCase_				)				)

						except OSError:
									return False

						return True


# Tests
# crypt = XORCipher()
# key = 67

# # test encrypt
# print(crypt.encrypt("hallo welt",key))
# # test decrypt
# print(crypt.decrypt(crypt.encrypt("hallo welt",key), key))

# # test encrypt_string
# print(crypt.encrypt_string("hallo welt",key))

# # test decrypt_string
# print(crypt.decrypt_string(crypt.encrypt_string("hallo welt",key),key))

# if (crypt.encrypt_file("test.txt",key)):
#       print("encrypt successful")
# else:
#       print("encrypt unsuccessful")

# if (crypt.decrypt_file("encrypt.out",key)):
#       print("decrypt successful")
# else:
#       print("decrypt unsuccessful")








def      _A				(UpperCamelCase		:      List[Any]      ,			UpperCamelCase		:      Dict )  ->List[str]:



			'''simple docstring'''







			lowerCamelCase__ :      int								=		[1]
			for i in range(2      ,			UpperCamelCase ):
						factorials.append(factorials[-1] * i )
			assert 0 <= k < factorials[-1] * n, "k out of bounds"

			lowerCamelCase__ :      Union[str, Any]								=		[]
			lowerCamelCase__ :      Optional[Any]								=		list(range(UpperCamelCase ) )

			# Find permutation
			while factorials:
						lowerCamelCase__ :      Union[str, Any]								=		factorials.pop()
						lowerCamelCase__							,lowerCamelCase__ :      Union[str, Any]								=		divmod(UpperCamelCase      ,			UpperCamelCase )
						permutation.append(elements[number] )
						elements.remove(elements[number] )
			permutation.append(elements[0] )

			return permutation


if __name__ == "__main__":
				import doctest

				doctest.testmod()



