



from operator import delitem, getitem, setitem

import pytest

from data_structures.hashing.hash_map import HashMap
def 		UpperCamelCase	(   snake_case__       :    List[Any]	)	->     Any:
   return getitem, k
def 		UpperCamelCase	(   snake_case__       :    Any       ,     snake_case__       :    Dict	)	->     Optional[Any]:
   return setitem, k, v
def 		UpperCamelCase	(   snake_case__       :    Tuple	)	->     Tuple:
   return delitem, k
def 		UpperCamelCase	(   snake_case__       :    Optional[Any]       ,     snake_case__       :    int       ,     *snake_case__       :    Optional[Any]	)	->     List[Any]:
   try:
      return fun(snake_case__       ,     *snake_case__	), None
   except Exception as e:
      return None, e


__UpperCAmelCase          =       (
    _set('''key_a''', '''val_a'''),
    _set('''key_b''', '''val_b'''),
)

__UpperCAmelCase          =       [
    _set('''key_a''', '''val_a'''),
    _set('''key_a''', '''val_b'''),
]

__UpperCAmelCase          =       [
    _set('''key_a''', '''val_a'''),
    _set('''key_b''', '''val_b'''),
    _del('''key_a'''),
    _del('''key_b'''),
    _set('''key_a''', '''val_a'''),
    _del('''key_a'''),
]

__UpperCAmelCase          =       [
    _get('''key_a'''),
    _del('''key_a'''),
    _set('''key_a''', '''val_a'''),
    _del('''key_a'''),
    _del('''key_a'''),
    _get('''key_a'''),
]

__UpperCAmelCase          =       [
    *[_set(x, x) for x in range(5)],  # guaranteed upsize
]

__UpperCAmelCase          =       [
    *[_set(x, x) for x in range(5)],  # guaranteed upsize
    *[_del(x) for x in range(5)],
    _set('''key_a''', '''val_b'''),
]
@pytest.mark.parametrize(
    'operations'       ,     (
        pytest.param(_add_items       ,     id='add items'	),
        pytest.param(_overwrite_items       ,     id='overwrite items'	),
        pytest.param(_delete_items       ,     id='delete items'	),
        pytest.param(_access_absent_items       ,     id='access absent items'	),
        pytest.param(_add_with_resize_up       ,     id='add with resize up'	),
        pytest.param(_add_with_resize_down       ,     id='add with resize down'	),
    )       ,     )
def 		UpperCamelCase	(   snake_case__       :    Any	)	->     Any:
   UpperCamelCase    :  Any							=	HashMap(initial_block_size=4	)
   UpperCamelCase    :  Optional[int]							=	{}
   for _, (fun, *args) in enumerate(snake_case__	):
      UpperCamelCase	,     UpperCamelCase    :  Optional[Any]							=	_run_operation(snake_case__       ,     snake_case__       ,     *snake_case__	)
      UpperCamelCase	,     UpperCamelCase    :  Any							=	_run_operation(snake_case__       ,     snake_case__       ,     *snake_case__	)
      assert my_res == py_res
      assert str(snake_case__	) == str(snake_case__	)
      assert set(snake_case__	) == set(snake_case__	)
      assert len(snake_case__	) == len(snake_case__	)
      assert set(my.items()	) == set(py.items()	)


def 		UpperCamelCase	(   )	->     List[Any]:
   def is_public(snake_case__       :    str	) -> bool:
      return not name.startswith('_'	)

   UpperCamelCase    :  Optional[int]							=	{name for name in dir({}	) if is_public(snake_case__	)}
   UpperCamelCase    :  Optional[Any]							=	{name for name in dir(HashMap()	) if is_public(snake_case__	)}

   assert dict_public_names > hash_public_names








from __future__ import annotations

__UpperCAmelCase          =       {
    '''A''': ['''B''', '''C''', '''E'''],
    '''B''': ['''A''', '''D''', '''E'''],
    '''C''': ['''A''', '''F''', '''G'''],
    '''D''': ['''B'''],
    '''E''': ['''A''', '''B''', '''D'''],
    '''F''': ['''C'''],
    '''G''': ['''C'''],
}



class 				lowerCAmelCase_		:
       def __init__(			self,			SCREAMING_SNAKE_CASE_,			SCREAMING_SNAKE_CASE_       )     ->		None:
          UpperCamelCase    :  Union[str, Any]							=	graph
          # mapping node to its parent in resulting breadth first tree
          UpperCamelCase    :  dict[str, str | None]							=	{}
          UpperCamelCase    :  Union[str, Any]							=	source_vertex
       def 					snake_case_       (			self       )     ->		None:
          UpperCamelCase    :  str							=	{self.source_vertex}
          UpperCamelCase    :  str							=	None
          UpperCamelCase    :  int							=	[self.source_vertex]  # first in first out queue

          while queue:
             UpperCamelCase    :  Dict							=	queue.pop(0       )
             for adjacent_vertex in self.graph[vertex]:
                if adjacent_vertex not in visited:
                   visited.add(SCREAMING_SNAKE_CASE_       )
                   UpperCamelCase    :  Tuple							=	vertex
                   queue.append(SCREAMING_SNAKE_CASE_       )






       def 					snake_case_       (			self,			SCREAMING_SNAKE_CASE_       )     ->		str:
          if target_vertex == self.source_vertex:
             return self.source_vertex

          UpperCamelCase    :  Optional[Any]							=	self.parent.get(SCREAMING_SNAKE_CASE_       )
          if target_vertex_parent is None:
             UpperCamelCase    :  Union[str, Any]							=	(
                 F"""No path from vertex: {self.source_vertex} to vertex: {target_vertex}"""
             )
             raise ValueError(SCREAMING_SNAKE_CASE_       )

          return self.shortest_path(SCREAMING_SNAKE_CASE_       ) + F"""->{target_vertex}"""


if __name__ == "__main__":
    __UpperCAmelCase          =       Graph(graph, '''G''')
    g.breath_first_search()
    print(g.shortest_path('''D'''))
    print(g.shortest_path('''G'''))
    print(g.shortest_path('''Foo'''))



