

def 							__SCREAMING_SNAKE_CASE							(			lowerCAmelCase:					Optional[Any]					, lowerCAmelCase:					Any	)				->    Optional[int]:
				_UpperCAmelCase    :						Dict							=      ""
				for i in table:
								res += inp[i - 1]
				return res

def 							__SCREAMING_SNAKE_CASE							(			lowerCAmelCase:					List[str]	)				->    Dict:
				return data[1:] + data[0]

def 							__SCREAMING_SNAKE_CASE							(			lowerCAmelCase:					Any					, lowerCAmelCase:					str	)				->    Optional[int]:
				_UpperCAmelCase    :						int							=      ""
				for i in range(len(lowerCAmelCase	)	):
								if a[i] == b[i]:
												res += "0"
								else:
												res += "1"
				return res

def 							__SCREAMING_SNAKE_CASE							(			lowerCAmelCase:					Union[str, Any]					, lowerCAmelCase:					List[str]	)				->    Tuple:
				_UpperCAmelCase    :						Optional[Any]							=      int("0b" + data[0] + data[-1]					, 2	)
				_UpperCAmelCase    :						Union[str, Any]							=      int("0b" + data[1:3]					, 2	)
				return bin(s[row][col]	)[2:]

def 							__SCREAMING_SNAKE_CASE							(			lowerCAmelCase:					List[Any]					, lowerCAmelCase:					Tuple					, lowerCAmelCase:					Tuple					, lowerCAmelCase:					str					, lowerCAmelCase:					Union[str, Any]	)				->    int:
				_UpperCAmelCase    :						str							=      message[:4]
				_UpperCAmelCase    :						Optional[int]							=      message[4:]
				_UpperCAmelCase    :						int							=      apply_table(lowerCAmelCase					, lowerCAmelCase	)
				_UpperCAmelCase    :						Any							=      xor(lowerCAmelCase					, lowerCAmelCase	)
				_UpperCAmelCase    :						Optional[Any]							=      apply_sbox(lowerCAmelCase					, temp[:4]	)  # noqa: E741
				_UpperCAmelCase    :						Dict							=      apply_sbox(lowerCAmelCase					, temp[4:]	)
				_UpperCAmelCase    :						Any							=      "0" * (2 - len(lowerCAmelCase	)) + l  # noqa: E741
				_UpperCAmelCase    :						Optional[Any]							=      "0" * (2 - len(lowerCAmelCase	)) + r
				_UpperCAmelCase    :						Tuple							=      apply_table(l + r					, lowerCAmelCase	)
				_UpperCAmelCase    :						Optional[Any]							=      xor(lowerCAmelCase					, lowerCAmelCase	)
				return temp + right


if __name__ == "__main__":
					SCREAMING_SNAKE_CASE_            = input('Enter 10 bit key: ')
					SCREAMING_SNAKE_CASE_            = input('Enter 8 bit message: ')

					SCREAMING_SNAKE_CASE_            = [6, 3, 7, 4, 8, 5, 10, 9]
					SCREAMING_SNAKE_CASE_            = [3, 5, 2, 7, 4, 10, 1, 9, 8, 6]
					SCREAMING_SNAKE_CASE_            = [2, 4, 3, 1]
					SCREAMING_SNAKE_CASE_            = [2, 6, 3, 1, 4, 8, 5, 7]
					SCREAMING_SNAKE_CASE_            = [4, 1, 3, 5, 7, 2, 8, 6]
					SCREAMING_SNAKE_CASE_            = [4, 1, 2, 3, 2, 3, 4, 1]
					SCREAMING_SNAKE_CASE_            = [[1, 0, 3, 2], [3, 2, 1, 0], [0, 2, 1, 3], [3, 1, 3, 2]]
					SCREAMING_SNAKE_CASE_            = [[0, 1, 2, 3], [2, 0, 1, 3], [3, 0, 1, 0], [2, 1, 0, 3]]

					# key generation
					SCREAMING_SNAKE_CASE_            = apply_table(key, paa_table)
					SCREAMING_SNAKE_CASE_            = temp[:5]
					SCREAMING_SNAKE_CASE_            = temp[5:]
					SCREAMING_SNAKE_CASE_            = left_shift(left)
					SCREAMING_SNAKE_CASE_            = left_shift(right)
					SCREAMING_SNAKE_CASE_            = apply_table(left + right, pa_table)
					SCREAMING_SNAKE_CASE_            = left_shift(left)
					SCREAMING_SNAKE_CASE_            = left_shift(right)
					SCREAMING_SNAKE_CASE_            = left_shift(left)
					SCREAMING_SNAKE_CASE_            = left_shift(right)
					SCREAMING_SNAKE_CASE_            = apply_table(left + right, pa_table)

					# encryption
					SCREAMING_SNAKE_CASE_            = apply_table(message, IP)
					SCREAMING_SNAKE_CASE_            = function(expansion, sa, sa, keya, temp)
					SCREAMING_SNAKE_CASE_            = temp[4:] + temp[:4]
					SCREAMING_SNAKE_CASE_            = function(expansion, sa, sa, keya, temp)
					SCREAMING_SNAKE_CASE_            = apply_table(temp, IP_inv)
					print('Cipher text is:', CT)

					# decryption
					SCREAMING_SNAKE_CASE_            = apply_table(CT, IP)
					SCREAMING_SNAKE_CASE_            = function(expansion, sa, sa, keya, temp)
					SCREAMING_SNAKE_CASE_            = temp[4:] + temp[:4]
					SCREAMING_SNAKE_CASE_            = function(expansion, sa, sa, keya, temp)
					SCREAMING_SNAKE_CASE_            = apply_table(temp, IP_inv)
					print('Plain text after decypting is:', PT)





from __future__ import annotations

class 			a					:


						def __init__(    self  ,   A_		):







										'''simple docstring'''


										_UpperCAmelCase    :						Union[str, Any]							=      order

										# a_{0} ... a_{k}
										_UpperCAmelCase    :						Tuple							=      [1.0] + [0.0] * order
										# b_{0} ... b_{k}
										_UpperCAmelCase    :						int							=      [1.0] + [0.0] * order

										# x[n-1] ... x[n-k]
										_UpperCAmelCase    :						Optional[Any]							=      [0.0] * self.order
										# y[n-1] ... y[n-k]
										_UpperCAmelCase    :						Dict							=      [0.0] * self.order


						def     _UpperCAmelCase			(    self  ,   A_  ,   A_		):







										'''simple docstring'''


										if len(A_		) < self.order:
														_UpperCAmelCase    :						List[str]							=      [1.0, *a_coeffs]

										if len(A_		) != self.order + 1:
														_UpperCAmelCase    :						List[Any]							=      (
														    f'Expected a_coeffs to have {self.order + 1} elements '
														    f'for {self.order}-order filter, got {len(A_		)}'
														)
														raise ValueError(A_		)

										if len(A_		) != self.order + 1:
														_UpperCAmelCase    :						int							=      (
														    f'Expected b_coeffs to have {self.order + 1} elements '
														    f'for {self.order}-order filter, got {len(A_		)}'
														)
														raise ValueError(A_		)

										_UpperCAmelCase    :						Optional[Any]							=      a_coeffs
										_UpperCAmelCase    :						Union[str, Any]							=      b_coeffs





						def     _UpperCAmelCase			(    self  ,   A_		):







										'''simple docstring'''


										_UpperCAmelCase    :						Tuple							=      0.0

										# Start at index 1 and do index 0 at the end.
										for i in range(1  ,   self.order + 1		):
														result += (
														    self.b_coeffs[i] * self.input_history[i - 1]
														    - self.a_coeffs[i] * self.output_history[i - 1]
														)

										_UpperCAmelCase    :						Dict							=      (result + self.b_coeffs[0] * sample) / self.a_coeffs[0]

										_UpperCAmelCase    :						Optional[Any]							=      self.input_history[:-1]
										_UpperCAmelCase    :						Optional[int]							=      self.output_history[:-1]

										_UpperCAmelCase    :						Optional[Any]							=      sample
										_UpperCAmelCase    :						str							=      result

										return result


