





def    __snake_case  (    _lowerCAmelCase       :       Optional[int] , _lowerCAmelCase       :       str		)       ->  Optional[Any]:
   assert x is not None
   assert y is not None

   A_    : int								=	len(UpperCamelCase__		)
   A_    : str								=	len(UpperCamelCase__		)

   # declaring the array for storing the dp values
   A_    : Dict								=	[[0] * (n + 1) for _ in range(m + 1		)]  # noqa: E741

   for i in range(1 , m + 1		):
      for j in range(1 , n + 1		):
         A_    : Tuple								=	1 if x[i - 1] == y[j - 1] else 0

         A_    : List[Any]								=	max(l[i - 1][j] , l[i][j - 1] , l[i - 1][j - 1] + match		)

   A_    : Any								=	""
   A_					,  A_    : Optional[int]								=	m, n
   while i > 0 and j > 0:
      A_    : Dict								=	1 if x[i - 1] == y[j - 1] else 0

      if l[i][j] == l[i - 1][j - 1] + match:
         if match == 1:
            A_    : List[Any]								=	x[i - 1] + seq
         i -= 1
         j -= 1
      elif l[i][j] == l[i - 1][j]:
         i -= 1
      else:
         j -= 1

   return l[m][n], seq


if __name__ == "__main__":
 _lowerCAmelCase							:					Optional[int]		    =		"AGGTAB"
 _lowerCAmelCase							:					Union[str, Any]		    =		"GXTXAYB"
 _lowerCAmelCase							:					Any		    =		4
 _lowerCAmelCase							:					int		    =		"GTAB"

 _lowerCAmelCase							:					Union[str, Any]		    =		longest_common_subsequence(a, b)
 print('''len =''', ln, ''', sub-sequence =''', subseq)
 import doctest

 doctest.testmod()







from __future__ import annotations

from collections import namedtuple





def 						__SCREAMING_SNAKE_CASE  (				UpperCamelCase__			,			UpperCamelCase__			,			UpperCamelCase__ )  ->				tuple:







			'''simple docstring'''

			UpperCAmelCase   		=				namedtuple('''result'''			,			'''name value''' )
			if (voltage, current, power).count(0 ) != 1:
						raise ValueError('''Only one argument must be 0''' )
			elif power < 0:
						raise ValueError(
						    '''Power cannot be negative in any electrical/electronics system''' )
			elif voltage == 0:
						return result('''voltage'''			,			power / current )
			elif current == 0:
						return result('''current'''			,			power / voltage )
			elif power == 0:
						return result('''power'''			,			float(round(abs(voltage * current )			,			2 ) ) )
			else:
						raise ValueError('''Exactly one argument must be 0''' )


if __name__ == "__main__":
				import doctest

				doctest.testmod()



