



def    _snake_case		(		UpperCamelCase		:	str    ,	UpperCamelCase		:	str		):
 assert x is not None
 assert y is not None

 UpperCAmelCase			:      List[Any]			=			len(UpperCamelCase		)
 UpperCAmelCase			:      int			=			len(UpperCamelCase		)

 # declaring the array for storing the dp values
 UpperCAmelCase			:      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		):
   UpperCAmelCase			:      Optional[int]			=			1 if x[i - 1] == y[j - 1] else 0

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

 UpperCAmelCase			:      Union[str, Any]			=			""""""
 UpperCAmelCase			:      Tuple			=			m, n
 while i > 0 and j > 0:
  UpperCAmelCase			:      Tuple			=			1 if x[i - 1] == y[j - 1] else 0

  if l[i][j] == l[i - 1][j - 1] + match:
   if match == 1:
    UpperCAmelCase			:      Dict			=			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__":
      A:     str										=	"AGGTAB"
      A:     Any										=	"GXTXAYB"
      A:     int										=	4
      A:     Optional[int]										=	"GTAB"

      A:     Dict										=	longest_common_subsequence(a, b)
      print("len =", ln, ", sub-sequence =", subseq)
      import doctest

      doctest.testmod()





"""simple docstring"""
from typing import TYPE_CHECKING

from ...utils import _LazyModule


A:     Dict										=	{"tokenization_bertweet": ["BertweetTokenizer"]}


if TYPE_CHECKING:
      from .tokenization_bertweet import BertweetTokenizer

else:
      import sys

      A:     int										=	_LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)
