



'''simple docstring'''

import numpy as np






def 		_snake_case		( _SCREAMING_SNAKE_CASE					:						np.array							)      ->						np.array:







	"""simple docstring"""
	return 1 / (1 + np.exp(-vector							))






def 		_snake_case		( _SCREAMING_SNAKE_CASE					:						np.array							)      ->						np.array:







	"""simple docstring"""
	return vector * sigmoid(1.702 * vector							)


if __name__ == "__main__":
				import doctest

				doctest.testmod()




'''simple docstring'''

from __future__ import annotations

class __snake_case:


						'''simple docstring'''



						def __init__( self     ,	A_ = 0				)     ->     Dict:
							lowerCAmelCase   =     key


						def     __snake_case   ( self     ,	A_     ,	A_				)     ->     list[str]:
							assert isinstance(A_     ,	A_				) and isinstance(A_     ,	A_				)

							lowerCAmelCase   =     key or self.__key or 1

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

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


						def     __snake_case   ( self     ,	A_     ,	A_				)     ->     list[str]:
							assert isinstance(A_     ,	A_				) and isinstance(A_     ,	A_				)

							lowerCAmelCase   =     key or self.__key or 1

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

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


						def     __snake_case   ( self     ,	A_     ,	A_ = 0				)     ->     str:
							assert isinstance(A_     ,	A_				) and isinstance(A_     ,	A_				)

							lowerCAmelCase   =     key or self.__key or 1

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

							# This will be returned
							lowerCAmelCase   =     """"""

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

							return ans


						def     __snake_case   ( self     ,	A_     ,	A_ = 0				)     ->     str:
							assert isinstance(A_     ,	A_				) and isinstance(A_     ,	A_				)

							lowerCAmelCase   =     key or self.__key or 1

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

							# This will be returned
							lowerCAmelCase   =     """"""

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

							return ans


						def     __snake_case   ( self     ,	A_     ,	A_ = 0				)     ->     bool:
							assert isinstance(A_     ,	A_				) and isinstance(A_     ,	A_				)

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

							except OSError:
								return False

							return True




						def     __snake_case   ( self     ,	A_     ,	A_				)     ->     bool:
							assert isinstance(A_     ,	A_				) and isinstance(A_     ,	A_				)

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

							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")