
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=__magic_name__			,	slots=__magic_name__							)
class       _lowerCAmelCase  (		Generic[KEY, VAL]							):

 """simple docstring"""
 SCREAMING_SNAKE_CASE_				:					KEY
 SCREAMING_SNAKE_CASE_				:					VAL




class       _lowerCAmelCase  (		_Item							):

 """simple docstring"""

 def __init__(						self			:			int   ):






      """simple docstring"""



      super().__init__(SCREAMING_SNAKE_CASE__					, SCREAMING_SNAKE_CASE__   )






 def __bool__(						self			:			Optional[int]   ):






      """simple docstring"""



      return False




_snake_case      = _DeletedItem()
class       _lowerCAmelCase  (		MutableMapping[KEY, VAL]							):

 """simple docstring"""

 def __init__(						self			:			Any					, SCREAMING_SNAKE_CASE__			:			int = 8					, SCREAMING_SNAKE_CASE__			:			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[Any]					, SCREAMING_SNAKE_CASE__			:			KEY   ):






      """simple docstring"""



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

 def      __lowerCAmelCase  (						self			:			Optional[int]					, SCREAMING_SNAKE_CASE__			:			int   ):






      """simple docstring"""



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

 def      __lowerCAmelCase  (						self			:			str					, SCREAMING_SNAKE_CASE__			:			int					, SCREAMING_SNAKE_CASE__			:			KEY					, SCREAMING_SNAKE_CASE__			:			VAL   ):






      """simple docstring"""



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

 def      __lowerCAmelCase  (						self			:			Any   ):






      """simple docstring"""



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

 def      __lowerCAmelCase  (						self			:			Union[str, Any]   ):






      """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			:			Optional[int]					, SCREAMING_SNAKE_CASE__			:			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			:			Any   ):






      """simple docstring"""



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

 def      __lowerCAmelCase  (						self			:			str   ):






      """simple docstring"""



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

 def      __lowerCAmelCase  (						self			:			List[Any]					, SCREAMING_SNAKE_CASE__			:			KEY   ):






      """simple docstring"""



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

 def      __lowerCAmelCase  (						self			:			List[str]					, SCREAMING_SNAKE_CASE__			:			KEY					, SCREAMING_SNAKE_CASE__			:			VAL   ):






      """simple docstring"""



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

 def __setitem__(						self			:			Optional[Any]					, SCREAMING_SNAKE_CASE__			:			KEY					, SCREAMING_SNAKE_CASE__			:			VAL   ):






      """simple docstring"""



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

      self._add_item(SCREAMING_SNAKE_CASE__					, SCREAMING_SNAKE_CASE__   )

 def __delitem__(						self			:			str					, SCREAMING_SNAKE_CASE__			:			KEY   ):






      """simple docstring"""



      for ind in self._iterate_buckets(SCREAMING_SNAKE_CASE__   ):
           UpperCamelCase						    =					self._buckets[ind]
           if item is None:
                raise KeyError(SCREAMING_SNAKE_CASE__   )
           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			:			Any					, SCREAMING_SNAKE_CASE__			:			KEY   ):






      """simple docstring"""



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

 def __len__(						self			:			Union[str, Any]   ):






      """simple docstring"""



      return self._len

 def __iter__(						self			:			List[str]   ):






      """simple docstring"""



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






 def __repr__(						self			:			Optional[Any]   ):






      """simple docstring"""



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




def  __lowerCamelCase					( _lowercase			)       ->      str:
     return "".join(chr(ord(_lowercase			) - 32			) if 'a' <= char <= 'z' else char for char in word			)


if __name__ == "__main__":
 from doctest import testmod

 testmod()


