

'''simple docstring'''






from __future__ import annotations

# Define the Gravitational Constant G and the function
snake_case_       =       6.6743E-11  # unit of G : m^3 * kg^-1 * s^-2


def 					__lowerCamelCase			(      SCREAMING_SNAKE_CASE_     :	float  ,  SCREAMING_SNAKE_CASE_     :	float  ,  SCREAMING_SNAKE_CASE_     :	float  ,  SCREAMING_SNAKE_CASE_     :	float    )							->   dict[str, float]:
      """simple docstring"""

      SCREAMING_SNAKE_CASE_      :			Union[str, Any]     =       mass_a * mass_a

      if (force, mass_a, mass_a, distance).count(0    ) != 1:
            raise ValueError("One and only one argument must be 0"    )
      if force < 0:
            raise ValueError("Gravitational force can not be negative"    )
      if distance < 0:
            raise ValueError("Distance can not be negative"    )
      if mass_a < 0 or mass_a < 0:
            raise ValueError("Mass can not be negative"    )
      if force == 0:
            SCREAMING_SNAKE_CASE_      :			Any     =       GRAVITATIONAL_CONSTANT * product_of_mass / (distance**2)
            return {"force": force}
      elif mass_a == 0:
            SCREAMING_SNAKE_CASE_      :			Optional[int]     =       (force) * (distance**2) / (GRAVITATIONAL_CONSTANT * mass_a)
            return {"mass_1": mass_a}
      elif mass_a == 0:
            SCREAMING_SNAKE_CASE_      :			Optional[Any]     =       (force) * (distance**2) / (GRAVITATIONAL_CONSTANT * mass_a)
            return {"mass_2": mass_a}
      elif distance == 0:
            SCREAMING_SNAKE_CASE_      :			List[Any]     =       (GRAVITATIONAL_CONSTANT * product_of_mass / (force)) ** 0.5
            return {"distance": distance}
      raise ValueError("One and only one argument must be 0"    )


# Run doctest
if __name__ == "__main__":
      import doctest

      doctest.testmod()







from __future__ import annotations

from collections.abc import Iterable
from dataclasses import dataclass
from typing import Any
class       __a					:


     """simple docstring"""


     _A				:    List[Any]									=  ("_front", "_back", "_len")
     @dataclass
     class       __a					:


          """simple docstring"""


          _A				:    Any									=  None
          _A				:    Deque._Node | None									=  None
          _A				:    Deque._Node | None									=  None






     class       __a					:


          """simple docstring"""


          _A				:    List[str]									=  ("_cur",)




          def __init__(	self			: int				,_UpperCamelCase			: Deque._Node | None						)		->   None:


              '''simple docstring'''





              SCREAMING_SNAKE_CASE__								=cur




          def __iter__(	self			: Optional[Any]						)		->   Deque._Iterator:


              '''simple docstring'''





              return self




          def   __A				(	self			: Union[str, Any]						)		->   Any:


              '''simple docstring'''





              if self._cur is None:
                  # finished iterating
                  raise StopIteration
              SCREAMING_SNAKE_CASE__								=self._cur.val
              SCREAMING_SNAKE_CASE__								=self._cur.next_node

              return val






     def __init__(	self			: Union[str, Any]				,_UpperCamelCase			: Iterable[Any] | None = None						)		->   None:


         '''simple docstring'''





         SCREAMING_SNAKE_CASE__								=None
         SCREAMING_SNAKE_CASE__								=None
         SCREAMING_SNAKE_CASE__								=0

         if iterable is not None:
             # append every value to the deque
             for val in iterable:
                 self.append(_UpperCamelCase						)




     def   __A				(	self			: Optional[Any]				,_UpperCamelCase			: Any						)		->   None:


         '''simple docstring'''





         SCREAMING_SNAKE_CASE__								=self._Node(_UpperCamelCase				,_UpperCamelCase				,_UpperCamelCase						)
         if self.is_empty():
             # front = back
             SCREAMING_SNAKE_CASE__								=SCREAMING_SNAKE_CASE__								=node
             SCREAMING_SNAKE_CASE__								=1
         else:
             # connect nodes
             SCREAMING_SNAKE_CASE__								=node
             SCREAMING_SNAKE_CASE__								=self._back
             SCREAMING_SNAKE_CASE__								=node  # assign new back to the new node

             self._len += 1

             # make sure there were no errors
             assert not self.is_empty(), "Error on appending value."




     def   __A				(	self			: Any				,_UpperCamelCase			: Any						)		->   None:


         '''simple docstring'''





         SCREAMING_SNAKE_CASE__								=self._Node(_UpperCamelCase				,_UpperCamelCase				,_UpperCamelCase						)
         if self.is_empty():
             # front = back
             SCREAMING_SNAKE_CASE__								=SCREAMING_SNAKE_CASE__								=node
             SCREAMING_SNAKE_CASE__								=1
         else:
             # connect nodes
             SCREAMING_SNAKE_CASE__								=self._front
             SCREAMING_SNAKE_CASE__								=node
             SCREAMING_SNAKE_CASE__								=node  # assign new front to the new node

             self._len += 1

             # make sure there were no errors
             assert not self.is_empty(), "Error on appending value."




     def   __A				(	self			: List[Any]				,_UpperCamelCase			: Iterable[Any]						)		->   None:


         '''simple docstring'''





         for val in iterable:
             self.append(_UpperCamelCase						)




     def   __A				(	self			: str				,_UpperCamelCase			: Iterable[Any]						)		->   None:


         '''simple docstring'''





         for val in iterable:
             self.appendleft(_UpperCamelCase						)




     def   __A				(	self			: str						)		->   Any:


         '''simple docstring'''





         assert not self.is_empty(), "Deque is empty."

         SCREAMING_SNAKE_CASE__								=self._back
         SCREAMING_SNAKE_CASE__								=self._back.prev_node  # set new back
         # drop the last node - python will deallocate memory automatically
         SCREAMING_SNAKE_CASE__								=None

         self._len -= 1

         return topop.val




     def   __A				(	self			: Union[str, Any]						)		->   Any:


         '''simple docstring'''





         assert not self.is_empty(), "Deque is empty."

         SCREAMING_SNAKE_CASE__								=self._front
         SCREAMING_SNAKE_CASE__								=self._front.next_node  # set new front and drop the first node
         SCREAMING_SNAKE_CASE__								=None

         self._len -= 1

         return topop.val




     def   __A				(	self			: Tuple						)		->   bool:


         '''simple docstring'''





         return self._front is None




     def __len__(	self			: Optional[int]						)		->   int:


         '''simple docstring'''





         return self._len




     def __eq__(	self			: Union[str, Any]				,_UpperCamelCase			: object						)		->   bool:


         '''simple docstring'''





         if not isinstance(_UpperCamelCase				,_UpperCamelCase						):
             return NotImplemented

         SCREAMING_SNAKE_CASE__								=self._front
         SCREAMING_SNAKE_CASE__								=other._front

         # if the length of the dequeues are not the same, they are not equal
         if len(self						) != len(_UpperCamelCase						):
             return False

         while me is not None and oth is not None:
             # compare every value
             if me.val != oth.val:
                 return False
             SCREAMING_SNAKE_CASE__								=me.next_node
             SCREAMING_SNAKE_CASE__								=oth.next_node

         return True




     def __iter__(	self			: Optional[Any]						)		->   Deque._Iterator:


         '''simple docstring'''





         return Deque._Iterator(self._front						)




     def __repr__(	self			: Optional[Any]						)		->   str:


         '''simple docstring'''





         SCREAMING_SNAKE_CASE__								=[]
         SCREAMING_SNAKE_CASE__								=self._front
         while aux is not None:
             # append the values in a list to display
             values_list.append(aux.val						)
             SCREAMING_SNAKE_CASE__								=aux.next_node

         return f"""[{", ".join(repr(_UpperCamelCase						) for val in values_list						)}]"""


if __name__ == "__main__":
    import doctest

    doctest.testmod()






