






"""simple docstring"""






def 					_A			(__a    ,				__a							) ->       str:
    """simple docstring"""






    if not (isinstance(__SCREAMING_SNAKE_CASE    ,				__SCREAMING_SNAKE_CASE							) and isinstance(__SCREAMING_SNAKE_CASE    ,				__SCREAMING_SNAKE_CASE							)):
        raise ValueError('''longest_common_substring() takes two strings for inputs'''							)

    SCREAMING_SNAKE_CASE_      :  Dict    						=		len(__SCREAMING_SNAKE_CASE							)
    SCREAMING_SNAKE_CASE_      :  Union[str, Any]    						=		len(__SCREAMING_SNAKE_CASE							)

    SCREAMING_SNAKE_CASE_      :  List[str]    						=		[[0] * (texta_length + 1) for _ in range(texta_length + 1							)]
    SCREAMING_SNAKE_CASE_      :  List[str]    						=		0
    SCREAMING_SNAKE_CASE_      :  Dict    						=		0

    for i in range(1    ,				texta_length + 1							):
        for j in range(1    ,				texta_length + 1							):
            if texta[i - 1] == texta[j - 1]:
                SCREAMING_SNAKE_CASE_      :  Dict    						=		1 + dp[i - 1][j - 1]
                if dp[i][j] > ans_length:
                    SCREAMING_SNAKE_CASE_      :  Any    						=		i
                    SCREAMING_SNAKE_CASE_      :  str    						=		dp[i][j]

    return texta[ans_index - ans_length : ans_index]


if __name__ == "__main__":
  import doctest

  doctest.testmod()





"""simple docstring"""


import copy
from dataclasses import dataclass
from pathlib import Path
from typing import Dict, Optional, Union





@dataclass
class     snake_case	:
				SCREAMING_SNAKE_CASE_   :      Optional[Union[str, Path]]         =  None
				SCREAMING_SNAKE_CASE_   :      bool         =  False
				SCREAMING_SNAKE_CASE_   :      bool         =  False
				SCREAMING_SNAKE_CASE_   :      bool         =  False
				SCREAMING_SNAKE_CASE_   :      Optional[Dict]         =  None
				SCREAMING_SNAKE_CASE_   :      Optional[str]         =  None
				SCREAMING_SNAKE_CASE_   :      bool         =  False
				SCREAMING_SNAKE_CASE_   :      bool         =  False
				SCREAMING_SNAKE_CASE_   :      bool         =  False
				SCREAMING_SNAKE_CASE_   :      bool         =  True
				SCREAMING_SNAKE_CASE_   :      Optional[int]         =  None
				SCREAMING_SNAKE_CASE_   :      int         =  1
				SCREAMING_SNAKE_CASE_   :      Optional[Union[str, bool]]         =  None
				SCREAMING_SNAKE_CASE_   :      bool         =  False
				SCREAMING_SNAKE_CASE_   :      Optional[Dict]         =  None
				SCREAMING_SNAKE_CASE_   :      Optional[str]         =  None

				def 							lowercase_     (	self							:				str)->   "DownloadConfig":



						'''simple docstring'''


						return self.__class__(**{k: copy.deepcopy(UpperCamelCase__) for k, v in self.__dict__.items()})


