





"""simple docstring"""




# Lint as: python3
import itertools
import os
import re


a		:					Union[str, Any]	      =     re.compile(R'''([A-Z]+)([A-Z][a-z])''')
a		:					Optional[int]	      =     re.compile(R'''([a-z\d])([A-Z])''')

a		:					List[str]	      =     re.compile(R'''(?<!_)_(?!_)''')
a		:					int	      =     re.compile(R'''(_{2,})''')

a		:					Union[str, Any]	      =     R'''^\w+(\.\w+)*$'''

a		:					str	      =     R'''<>:/\|?*'''






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       List[str]   )					->Tuple:






	'''simple docstring'''






	a :						Optional[Any]      =							_uppercase_uppercase_re.sub(R"\1_\2"       ,			_lowercase   )
	a :						Optional[Any]      =							_lowercase_uppercase_re.sub(R"\1_\2"       ,			_lowercase   )
	return name.lower()






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       Optional[Any]   )					->List[Any]:






	'''simple docstring'''






	a :						Tuple      =							_single_underscore_re.split(_lowercase   )
	a :						Optional[int]      =							[_multiple_underscores_re.split(_lowercase   ) for n in name]
	return "".join(n.capitalize() for n in itertools.chain.from_iterable(_lowercase   ) if n != ""   )






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       List[Any]   )					->Optional[Any]:






	'''simple docstring'''






	if os.path.basename(_lowercase   ) != name:
		raise ValueError(F"""Should be a dataset name, not a path: {name}"""   )
	return camelcase_to_snakecase(_lowercase   )






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       List[Any]       ,			_lowercase		:       Union[str, Any]   )					->List[str]:






	'''simple docstring'''






	if os.path.basename(_lowercase   ) != name:
		raise ValueError(F"""Should be a dataset name, not a path: {name}"""   )
	if not re.match(_split_re       ,			_lowercase   ):
		raise ValueError(F"""Split name should match '{_split_re}'' but got '{split}'."""   )
	return F"""{filename_prefix_for_name(_lowercase   )}-{split}"""






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       Dict       ,			_lowercase		:       int       ,			_lowercase		:       Union[str, Any]       ,			_lowercase		:       List[str]=None   )					->Tuple:






	'''simple docstring'''






	a :						List[Any]      =							filename_prefix_for_split(_lowercase       ,			_lowercase   )
	if filetype_suffix:
		prefix += F""".{filetype_suffix}"""
	a :						List[str]      =							os.path.join(_lowercase       ,			_lowercase   )
	return F"""{filepath}*"""







def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       Union[str, Any]       ,			_lowercase		:       Dict       ,			_lowercase		:       Any       ,			_lowercase		:       Optional[Any]=None       ,			_lowercase		:       Union[str, Any]=None   )					->str:






	'''simple docstring'''






	a :						Union[str, Any]      =							filename_prefix_for_split(_lowercase       ,			_lowercase   )
	a :						Dict      =							os.path.join(_lowercase       ,			_lowercase   )

	if shard_lengths:
		a :						int      =							len(_lowercase   )
		a :						Dict      =							[F"""{prefix}-{shard_id:05d}-of-{num_shards:05d}""" for shard_id in range(_lowercase   )]
		if filetype_suffix:
			a :						Optional[int]      =							[filename + F""".{filetype_suffix}""" for filename in filenames]
		return filenames
	else:
		a :						List[Any]      =							prefix
		if filetype_suffix:
			filename += F""".{filetype_suffix}"""
		return [filename]









"""simple docstring"""




class 			__UpperCamelCase							:  # Public class to implement a graph






							def __init__(  self ,   lowerCAmelCase__ ,   lowerCAmelCase__ ,   lowerCAmelCase__ )      ->					None:
								a :						int      =							row
								a :						Tuple      =							col
								a :						Optional[int]      =							graph






							def        __a  (  self ,   lowerCAmelCase__ ,   lowerCAmelCase__ ,   lowerCAmelCase__ )      ->					bool:
								return (
								    0 <= i < self.ROW
								    and 0 <= j < self.COL
								    and not visited[i][j]
								    and self.graph[i][j]
								)






							def        __a  (  self ,   lowerCAmelCase__ ,   lowerCAmelCase__ ,   lowerCAmelCase__ )      ->					None:
								# Checking all 8 elements surrounding nth element
								a :						Optional[Any]      =							[-1, -1, -1, 0, 0, 1, 1, 1]  # Coordinate order
								a :						str      =							[-1, 0, 1, -1, 1, -1, 0, 1]
								a :						str      =							True  # Make those cells visited
								for k in range(8 ):
									if self.is_safe(i + row_nbr[k] ,   j + col_nbr[k] ,   lowerCAmelCase__ ):
										self.diffs(i + row_nbr[k] ,   j + col_nbr[k] ,   lowerCAmelCase__ )






							def        __a  (  self )      ->					int:  # And finally, count all islands.
								a :						Union[str, Any]      =							[[False for j in range(self.COL )] for i in range(self.ROW )]
								a :						Dict      =							0
								for i in range(self.ROW ):
									for j in range(self.COL ):
										if visited[i][j] is False and self.graph[i][j] == 1:
											self.diffs(lowerCAmelCase__ ,   lowerCAmelCase__ ,   lowerCAmelCase__ )
											count += 1
								return count


