
'''simple docstring'''







def 				_snake_case (		lowercase			,    lowercase						)       ->       str:
				if not isinstance(lowercase			,    lowercase						):
								raise TypeError("""plaintext must be a string"""						)
				if not isinstance(lowercase			,    lowercase						):
								raise TypeError("""key must be a string"""						)

				if not plaintext:
								raise ValueError("""plaintext is empty"""						)
				if not key:
								raise ValueError("""key is empty"""						)

				key += plaintext
				__a       :     Any								=	plaintext.lower()
				__a       :     Optional[int]								=	key.lower()
				__a       :     int								=	0
				__a       :     Union[str, Any]								=	0
				__a       :     List[Any]								=	""""""
				while plaintext_iterator < len(lowercase						):
								if (
								    ord(plaintext[plaintext_iterator]						) < 9_7
								    or ord(plaintext[plaintext_iterator]						) > 1_2_2
								):
												ciphertext += plaintext[plaintext_iterator]
												plaintext_iterator += 1
								elif ord(key[key_iterator]						) < 9_7 or ord(key[key_iterator]						) > 1_2_2:
												key_iterator += 1
								else:
												ciphertext += chr(
												    (
												        (ord(plaintext[plaintext_iterator]						) - 9_7 + ord(key[key_iterator]						))
												        - 9_7
												    )
												    % 2_6
												    + 9_7						)
												key_iterator += 1
												plaintext_iterator += 1
				return ciphertext

def 				_snake_case (		lowercase			,    lowercase						)       ->       str:
				if not isinstance(lowercase			,    lowercase						):
								raise TypeError("""ciphertext must be a string"""						)
				if not isinstance(lowercase			,    lowercase						):
								raise TypeError("""key must be a string"""						)

				if not ciphertext:
								raise ValueError("""ciphertext is empty"""						)
				if not key:
								raise ValueError("""key is empty"""						)

				__a       :     Union[str, Any]								=	key.lower()
				__a       :     Dict								=	0
				__a       :     Optional[Any]								=	0
				__a       :     Dict								=	""""""
				while ciphertext_iterator < len(lowercase						):
								if (
								    ord(ciphertext[ciphertext_iterator]						) < 9_7
								    or ord(ciphertext[ciphertext_iterator]						) > 1_2_2
								):
												plaintext += ciphertext[ciphertext_iterator]
								else:
												plaintext += chr(
												    (ord(ciphertext[ciphertext_iterator]						) - ord(key[key_iterator]						)) % 2_6
												    + 9_7						)
												key += chr(
												    (ord(ciphertext[ciphertext_iterator]						) - ord(key[key_iterator]						)) % 2_6
												    + 9_7						)
												key_iterator += 1
								ciphertext_iterator += 1
				return plaintext


if __name__ == "__main__":
					import doctest

					doctest.testmod()
					__SCREAMING_SNAKE_CASE		:  Any        =      int(input('Type 1 to encrypt or 2 to decrypt:'))
					if operation == 1:
										__SCREAMING_SNAKE_CASE		:  Any        =      input('Typeplaintext to be encrypted:\n')
										__SCREAMING_SNAKE_CASE		:  str        =      input('Type the key:\n')
										print(encrypt(plaintext, key))
					elif operation == 2:
										__SCREAMING_SNAKE_CASE		:  int        =      input('Type the ciphertext to be decrypted:\n')
										__SCREAMING_SNAKE_CASE		:  List[Any]        =      input('Type the key:\n')
										print(decrypt(ciphertext, key))
					decrypt('jsqqs avvwo', 'coffee')

'''simple docstring'''







import unittest

from cer import CER


__SCREAMING_SNAKE_CASE		:  List[str]        =      CER()
class  SCREAMING_SNAKE_CASE__       (  unittest.TestCase   ):
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     Optional[Any]								=	["""White House"""]
					__a       :     Tuple								=	["""white house"""]
					# S = 2, D = 0, I = 0, N = 11, CER = 2 / 11
					__a       :     Any								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.1_8_1_8_1_8_1_8_1_8			) < 1E-6			)
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     Optional[int]								=	["""were wolf"""]
					__a       :     Tuple								=	["""werewolf"""]
					# S = 0, D = 0, I = 1, N = 9, CER = 1 / 9
					__a       :     Any								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.1_1_1_1_1_1_1			) < 1E-6			)

					__a       :     str								=	["""werewolf"""]
					__a       :     List[Any]								=	["""weae     wolf"""]
					# S = 1, D = 1, I = 0, N = 8, CER = 0.25
					__a       :     Tuple								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.2_5			) < 1E-6			)

					# consecutive whitespaces case 1
					__a       :     int								=	["""were wolf"""]
					__a       :     Dict								=	["""were               wolf"""]
					# S = 0, D = 0, I = 0, N = 9, CER = 0
					__a       :     str								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.0			) < 1E-6			)

					# consecutive whitespaces case 2
					__a       :     List[str]								=	["""were   wolf"""]
					__a       :     Optional[int]								=	["""were               wolf"""]
					# S = 0, D = 0, I = 0, N = 9, CER = 0
					__a       :     Optional[Any]								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.0			) < 1E-6			)
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     Dict								=	["""werewolf"""]
					__a       :     str								=	["""weaewolf"""]
					# S = 1, D = 0, I = 0, N = 8, CER = 0.125
					__a       :     Optional[int]								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.1_2_5			) < 1E-6			)
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     List[str]								=	["""werewolf"""]
					__a       :     Tuple								=	["""wereawolf"""]
					# S = 0, D = 1, I = 0, N = 8, CER = 0.125
					__a       :     Optional[Any]								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.1_2_5			) < 1E-6			)
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     List[str]								=	["""werewolf"""]
					__a       :     Optional[Any]								=	["""wereolf"""]
					# S = 0, D = 0, I = 1, N = 8, CER = 0.125
					__a       :     int								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.1_2_5			) < 1E-6			)
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     Dict								=	["""werewolf"""]
					__a       :     Tuple								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertEqual(__UpperCamelCase  ,    0.0			)
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     List[str]								=	["""werewolf""", """I am your father"""]
					__a       :     int								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertEqual(__UpperCamelCase  ,    0.0			)

					__a       :     Dict								=	["""werewolf""", """I am your father""", """doge"""]
					__a       :     Optional[Any]								=	["""werxwolf""", """I       am your father""", """doge"""]
					# S = 1, D = 0, I = 0, N = 28, CER = 1 / 28
					__a       :     Union[str, Any]								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.0_3_5_7_1_4_2_8			) < 1E-6			)
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     List[str]								=	["""My hovercraft""", """is full of eels"""]
					__a       :     Union[str, Any]								=	["""My hovercraft is full""", """ of eels"""]
					# S = 0, D = 0, I = 2, N = 28, CER = 2 / 28
					# whitespace at the front of " of eels" will be strip during preporcessing
					# so need to insert 2 whitespaces
					__a       :     str								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase  ,    concatenate_texts=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.0_7_1_4_2_8			) < 1E-6			)
	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     int								=	["""我能吞下玻璃而不伤身体"""]
					__a       :     Optional[Any]								=	[""" 能吞虾玻璃而 不霜身体啦"""]
					# S = 3, D = 2, I = 0, N = 11, CER = 5 / 11
					__a       :     List[Any]								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.4_5_4_5_4_5_4_5_4_5			) < 1E-6			)

					__a       :     Union[str, Any]								=	["""我能吞下玻璃""", """而不伤身体"""]
					__a       :     Optional[Any]								=	["""我    能 吞 下 玻 璃""", """而不伤身体"""]
					# S = 0, D = 5, I = 0, N = 11, CER = 5 / 11
					__a       :     List[str]								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertTrue(abs(char_error_rate - 0.4_5_4_5_4_5_4_5_4_5_4_5			) < 1E-6			)

					__a       :     Union[str, Any]								=	["""我能吞下玻璃而不伤身体"""]
					__a       :     Dict								=	cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)
					self.assertFalse(__UpperCamelCase  ,    0.0			)

	def __lowerCamelCase    (				self			):



					'''simple docstring'''






					__a       :     List[Any]								=	[""""""]
					__a       :     Dict								=	["""Hypothesis"""]
					with self.assertRaises(__UpperCamelCase			):
									cer.compute(predictions=__UpperCamelCase  ,    references=__UpperCamelCase			)


if __name__ == "__main__":
					unittest.main()