


from collections.abc import Iterator, MutableMapping
from dataclasses import dataclass
from typing import Generic, TypeVar

__snake_case            =   TypeVar("KEY")
__snake_case            =   TypeVar("VAL")




@dataclass(frozen=__snake_case      , slots=__snake_case    )
class    UpperCAmelCase					(       Generic[KEY, VAL]    ):
			lowercase						= 42
			lowercase						= 42




class    UpperCAmelCase					(       _Item    ):




			def __init__(						self							:		int						):







						"""simple docstring"""







						super().__init__(__magic_name__       ,       __magic_name__						)





			def __bool__(						self							:		Any						):







						"""simple docstring"""







						return False


__snake_case            =   _DeletedItem()




class    UpperCAmelCase					(       MutableMapping[KEY, VAL]    ):




			def __init__(						self							:		Dict       ,       __magic_name__							:		int = 8       ,       __magic_name__							:		float = 0.75						):







						"""simple docstring"""







						UpperCamelCase         =					initial_block_size
						UpperCamelCase         =					[None] * initial_block_size
						assert 0.0 < capacity_factor < 1.0
						UpperCamelCase         =					capacity_factor
						UpperCamelCase         =					0




			def   lowerCamelCase_					(						self							:		Optional[int]       ,       __magic_name__							:		KEY						):







						"""simple docstring"""







						return hash(__magic_name__						) % len(self._buckets						)




			def   lowerCamelCase_					(						self							:		List[Any]       ,       __magic_name__							:		int						):







						"""simple docstring"""







						return (ind + 1) % len(self._buckets						)




			def   lowerCamelCase_					(						self							:		List[str]       ,       __magic_name__							:		int       ,       __magic_name__							:		KEY       ,       __magic_name__							:		VAL						):







						"""simple docstring"""







						UpperCamelCase         =					self._buckets[ind]
						if not stored:
									UpperCamelCase         =					_Item(__magic_name__       ,       __magic_name__						)
									self._len += 1
									return True
						elif stored.key == key:
									UpperCamelCase         =					_Item(__magic_name__       ,       __magic_name__						)
									return True
						else:
									return False




			def   lowerCamelCase_					(						self							:		str						):







						"""simple docstring"""







						UpperCamelCase         =					len(self._buckets						) * self._capacity_factor
						return len(self						) >= int(__magic_name__						)




			def   lowerCamelCase_					(						self							:		Tuple						):







						"""simple docstring"""







						if len(self._buckets						) <= self._initial_block_size:
									return False
						UpperCamelCase         =					len(self._buckets						) * self._capacity_factor / 2
						return len(self						) < limit




			def   lowerCamelCase_					(						self							:		Tuple       ,       __magic_name__							:		int						):







						"""simple docstring"""







						UpperCamelCase         =					self._buckets
						UpperCamelCase         =					[None] * new_size
						UpperCamelCase         =					0
						for item in old_buckets:
									if item:
												self._add_item(item.key       ,       item.val						)




			def   lowerCamelCase_					(						self							:		Dict						):







						"""simple docstring"""







						self._resize(len(self._buckets						) * 2						)




			def   lowerCamelCase_					(						self							:		Optional[Any]						):







						"""simple docstring"""







						self._resize(len(self._buckets						) // 2						)




			def   lowerCamelCase_					(						self							:		int       ,       __magic_name__							:		KEY						):







						"""simple docstring"""







						UpperCamelCase         =					self._get_bucket_index(__magic_name__						)
						for _ in range(len(self._buckets						)						):
									yield ind
									UpperCamelCase         =					self._get_next_ind(__magic_name__						)




			def   lowerCamelCase_					(						self							:		str       ,       __magic_name__							:		KEY       ,       __magic_name__							:		VAL						):







						"""simple docstring"""







						for ind in self._iterate_buckets(__magic_name__						):
									if self._try_set(__magic_name__       ,       __magic_name__       ,       __magic_name__						):
												break




			def __setitem__(						self							:		Any       ,       __magic_name__							:		KEY       ,       __magic_name__							:		VAL						):







						"""simple docstring"""







						if self._is_full():
									self._size_up()

						self._add_item(__magic_name__       ,       __magic_name__						)




			def __delitem__(						self							:		Optional[Any]       ,       __magic_name__							:		KEY						):







						"""simple docstring"""







						for ind in self._iterate_buckets(__magic_name__						):
									UpperCamelCase         =					self._buckets[ind]
									if item is None:
												raise KeyError(__magic_name__						)
									if item is _deleted:
												continue
									if item.key == key:
												UpperCamelCase         =					_deleted
												self._len -= 1
												break
						if self._is_sparse():
									self._size_down()




			def __getitem__(						self							:		Union[str, Any]       ,       __magic_name__							:		KEY						):







						"""simple docstring"""







						for ind in self._iterate_buckets(__magic_name__						):
									UpperCamelCase         =					self._buckets[ind]
									if item is None:
												break
									if item is _deleted:
												continue
									if item.key == key:
												return item.val
						raise KeyError(__magic_name__						)




			def __len__(						self							:		Tuple						):







						"""simple docstring"""







						return self._len




			def __iter__(						self							:		Dict						):







						"""simple docstring"""







						yield from (item.key for item in self._buckets if item)





			def __repr__(						self							:		List[str]						):







						"""simple docstring"""







						UpperCamelCase         =					""" ,""".join(
						    F'{item.key}: {item.val}' for item in self._buckets if item						)
						return F'HashMap({val_string})'








def 							_lowercase    (		SCREAMING_SNAKE_CASE_   :		str	):





			"""simple docstring"""




			return [
			    txt[:a] + txt[a].upper() + txt[a + 1 :]
			    for a in range(len(SCREAMING_SNAKE_CASE_	)	)
			    if txt[a].isalpha()
			]


if __name__ == "__main__":
			__import__("doctest").testmod()




