

'''simple docstring'''





from __future__ import annotations





class 		__SCREAMING_SNAKE_CASE       :







				def __init__(					self    :		Tuple		,				UpperCAmelCase__    :		int = 0      ):
										'''simple docstring'''
										lowercase   :       Optional[Any]								=key







				def    lowerCamelCase_  (					self    :		Union[str, Any]		,				UpperCAmelCase__    :		str		,				UpperCAmelCase__    :		int      ):
										'''simple docstring'''
										assert isinstance(UpperCAmelCase__		,				UpperCAmelCase__      ) and isinstance(UpperCAmelCase__		,				UpperCAmelCase__      )

										lowercase   :       Dict								=key or self.__key or 1

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

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







				def    lowerCamelCase_  (					self    :		Union[str, Any]		,				UpperCAmelCase__    :		str		,				UpperCAmelCase__    :		int      ):
										'''simple docstring'''
										assert isinstance(UpperCAmelCase__		,				UpperCAmelCase__      ) and isinstance(UpperCAmelCase__		,				UpperCAmelCase__      )

										lowercase   :       Tuple								=key or self.__key or 1

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

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







				def    lowerCamelCase_  (					self    :		Optional[Any]		,				UpperCAmelCase__    :		str		,				UpperCAmelCase__    :		int = 0      ):
										'''simple docstring'''
										assert isinstance(UpperCAmelCase__		,				UpperCAmelCase__      ) and isinstance(UpperCAmelCase__		,				UpperCAmelCase__      )

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

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

										# This will be returned
										lowercase   :       Tuple								=''''''

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

										return ans







				def    lowerCamelCase_  (					self    :		Any		,				UpperCAmelCase__    :		str		,				UpperCAmelCase__    :		int = 0      ):
										'''simple docstring'''
										assert isinstance(UpperCAmelCase__		,				UpperCAmelCase__      ) and isinstance(UpperCAmelCase__		,				UpperCAmelCase__      )

										lowercase   :       Dict								=key or self.__key or 1

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

										# This will be returned
										lowercase   :       List[Any]								=''''''

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

										return ans







				def    lowerCamelCase_  (					self    :		Tuple		,				UpperCAmelCase__    :		str		,				UpperCAmelCase__    :		int = 0      ):
										'''simple docstring'''
										assert isinstance(UpperCAmelCase__		,				UpperCAmelCase__      ) and isinstance(UpperCAmelCase__		,				UpperCAmelCase__      )

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

										except OSError:
																return False

										return True







				def    lowerCamelCase_  (					self    :		str		,				UpperCAmelCase__    :		str		,				UpperCAmelCase__    :		int      ):
										'''simple docstring'''
										assert isinstance(UpperCAmelCase__		,				UpperCAmelCase__      ) and isinstance(UpperCAmelCase__		,				UpperCAmelCase__      )

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

										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")








'''simple docstring'''





import math






def 							_lowerCAmelCase (      __magic_name__	:    float      ,   __magic_name__	:    float	)							->     float:
						if (
						    not isinstance(__magic_name__      ,   (int, float)	)
						    or power_factor < -1
						    or power_factor > 1
						):
												raise ValueError('''power_factor must be a valid float value between -1 and 1.'''	)
						return apparent_power * power_factor






def 							_lowerCAmelCase (      __magic_name__	:    float      ,   __magic_name__	:    float	)							->     float:
						if (
						    not isinstance(__magic_name__      ,   (int, float)	)
						    or power_factor < -1
						    or power_factor > 1
						):
												raise ValueError('''power_factor must be a valid float value between -1 and 1.'''	)
						return apparent_power * math.sqrt(1 - power_factor**2	)


if __name__ == "__main__":
							import doctest

							doctest.testmod()





