import numpy as np




class  __magic_name__  :





   """simple docstring"""




   def __init__(	self					:  int							):



    """simple docstring"""



    _UpperCamelCase:     List[str]							= (0, 0)
    _UpperCamelCase:     Any							= None
    _UpperCamelCase:     List[Any]							= 0
    _UpperCamelCase:     int							= 0
    _UpperCamelCase:     Any							= 0



   def __eq__(	self					:  Tuple		,  _lowercase					:  str							):



    """simple docstring"""



    return self.position == cell.position



   def   lowerCAmelCase						(	self					:  str							):



    """simple docstring"""



    print(self.position							)




class  __magic_name__  :





   """simple docstring"""




   def __init__(	self					:  List[Any]		,  _lowercase					:  Dict=(5, 5)							):



    """simple docstring"""



    _UpperCamelCase:     Tuple							= np.zeros(_lowercase							)
    _UpperCamelCase:     List[Any]							= world_size[0]
    _UpperCamelCase:     str							= world_size[1]



   def   lowerCAmelCase						(	self					:  str							):



    """simple docstring"""



    print(self.w							)



   def   lowerCAmelCase						(	self					:  Dict		,  _lowercase					:  Dict							):



    """simple docstring"""



    _UpperCamelCase:     Optional[int]							= [
        (-1, -1),
        (-1, 0),
        (-1, 1),
        (0, -1),
        (0, 1),
        (1, -1),
        (1, 0),
        (1, 1),
    ]
    _UpperCamelCase:     Dict							= cell.position[0]
    _UpperCamelCase:     Union[str, Any]							= cell.position[1]
    _UpperCamelCase:     Optional[Any]							= []
    for n in neughbour_cord:
     _UpperCamelCase:     Optional[int]							= current_x + n[0]
     _UpperCamelCase:     str							= current_y + n[1]
     if 0 <= x < self.world_x_limit and 0 <= y < self.world_y_limit:
      _UpperCamelCase:     Optional[int]							= Cell()
      _UpperCamelCase:     str							= (x, y)
      _UpperCamelCase:     Optional[Any]							= cell
      neighbours.append(_lowercase							)
    return neighbours




def       lowerCAmelCase_     (		lowercase:							int  ,					lowercase:							List[str]  ,					lowercase:							List[Any]		)    ->				Optional[int]:







 '''simple docstring'''
 _UpperCamelCase:     Any							= []
 _UpperCamelCase:     List[Any]							= []
 _open.append(lowercase		)

 while _open:
  _UpperCamelCase:     Tuple							= np.argmin([n.f for n in _open]		)
  _UpperCamelCase:     List[Any]							= _open[min_f]
  _closed.append(_open.pop(lowercase		)		)
  if current == goal:
   break
  for n in world.get_neigbours(lowercase		):
   for c in _closed:
    if c == n:
     continue
   _UpperCamelCase:     Tuple							= current.g + 1
   _UpperCamelCase	,							_UpperCamelCase:     Optional[Any]							= n.position
   _UpperCamelCase	,							_UpperCamelCase:     str							= goal.position
   _UpperCamelCase:     Tuple							= (ya - ya) ** 2 + (xa - xa) ** 2
   _UpperCamelCase:     str							= n.h + n.g

   for c in _open:
    if c == n and c.f < n.f:
     continue
   _open.append(lowercase		)
 _UpperCamelCase:     List[str]							= []
 while current.parent is not None:
  path.append(current.position		)
  _UpperCamelCase:     str							= current.parent
 path.append(current.position		)
 return path[::-1]


if __name__ == "__main__":
  UpperCAmelCase_			    =							Gridworld()
  # Start position and goal
  UpperCAmelCase_			    =							Cell()
  UpperCAmelCase_			    =							(0, 0)
  UpperCAmelCase_			    =							Cell()
  UpperCAmelCase_			    =							(4, 4)
  print(f"""path from {start.position} to {goal.position}""")
  UpperCAmelCase_			    =							astar(world, start, goal)
  #   Just for visual reasons.
  for i in s:
    UpperCAmelCase_			    =							1
  print(world.w)
from __future__ import annotations

UpperCAmelCase_			    =							1.6_0_2_1E-1_9  # units = C




def       lowerCAmelCase_     (		lowercase:							float  ,					lowercase:							float  ,					lowercase:							float  ,					)    ->				tuple[str, float]:







 '''simple docstring'''
 if (conductivity, electron_conc, mobility).count(0		) != 1:
  raise ValueError('''You cannot supply more or less than 2 values'''		)
 elif conductivity < 0:
  raise ValueError('''Conductivity cannot be negative'''		)
 elif electron_conc < 0:
  raise ValueError('''Electron concentration cannot be negative'''		)
 elif mobility < 0:
  raise ValueError('''mobility cannot be negative'''		)
 elif conductivity == 0:
  return (
      "conductivity",
      mobility * electron_conc * ELECTRON_CHARGE,
  )
 elif electron_conc == 0:
  return (
      "electron_conc",
      conductivity / (mobility * ELECTRON_CHARGE),
  )
 else:
  return (
      "mobility",
      conductivity / (electron_conc * ELECTRON_CHARGE),
  )


if __name__ == "__main__":
  import doctest

  doctest.testmod()