code: 
  
  
  def   __lowerCamelCase	(       lowerCamelCase__		:	int     ,       lowerCamelCase__		:	int     ,       lowerCamelCase__		:	int     ,       lowerCamelCase__		:	int			):
  
  
  
  
  
     '''simple docstring'''
  
  
  
  
     return len_board * len_board_column * row + column
  
  
  
  
  
  
  def   __lowerCamelCase	(       lowerCamelCase__		:	list[list[str]]     ,       lowerCamelCase__		:	str     ,       lowerCamelCase__		:	int     ,       lowerCamelCase__		:	int     ,       lowerCamelCase__		:	int     ,       lowerCamelCase__		:	set[int]     ,       ):
  
  
  
  
  
     '''simple docstring'''
  
  
  
  
     if board[row][column] != word[word_index]:
        return False
  
     if word_index == len(lowerCamelCase__			) - 1:
        return True
  
     lowerCamelCase								=     [(0, 1), (0, -1), (-1, 0), (1, 0)]
     lowerCamelCase								=     len(lowerCamelCase__			)
     lowerCamelCase								=     len(board[0]			)
     for direction in traverts_directions:
        lowerCamelCase								=     row + direction[0]
        lowerCamelCase								=     column + direction[1]
        if not (0 <= next_i < len_board and 0 <= next_j < len_board_column):
           continue
  
        lowerCamelCase								=     get_point_key(lowerCamelCase__     ,       lowerCamelCase__     ,       lowerCamelCase__     ,       lowerCamelCase__			)
        if key in visited_points_set:
           continue
  
        visited_points_set.add(lowerCamelCase__			)
        if exits_word(lowerCamelCase__     ,       lowerCamelCase__     ,       lowerCamelCase__     ,       lowerCamelCase__     ,       word_index + 1     ,       lowerCamelCase__			):
           return True
  
        visited_points_set.remove(lowerCamelCase__			)
  
     return False
  
  
  
  
  
  
  def   __lowerCamelCase	(       lowerCamelCase__		:	list[list[str]]     ,       lowerCamelCase__		:	str			):
  
  
  
  
  
     '''simple docstring'''
  
  
  
  
     lowerCamelCase								=     (
         """The board should be a non empty matrix of single chars strings."""
     )
  
     lowerCamelCase								=     len(lowerCamelCase__			)
     if not isinstance(lowerCamelCase__     ,       lowerCamelCase__			) or len(lowerCamelCase__			) == 0:
        raise ValueError(lowerCamelCase__			)
  
     for row in board:
        if not isinstance(lowerCamelCase__     ,       lowerCamelCase__			) or len(lowerCamelCase__			) == 0:
           raise ValueError(lowerCamelCase__			)
  
        for item in row:
           if not isinstance(lowerCamelCase__     ,       lowerCamelCase__			) or len(lowerCamelCase__			) != 1:
              raise ValueError(lowerCamelCase__			)
  
      # Validate word
     if not isinstance(lowerCamelCase__     ,       lowerCamelCase__			) or len(lowerCamelCase__			) == 0:
        raise ValueError(
            """The word parameter should be a string of length greater than 0."""			)
  
     lowerCamelCase								=     len(board[0]			)
     for i in range(lowerCamelCase__			):
        for j in range(lowerCamelCase__			):
           if exits_word(
               lowerCamelCase__     ,       lowerCamelCase__     ,       lowerCamelCase__     ,       lowerCamelCase__     ,       0     ,       {get_point_key(lowerCamelCase__     ,       lowerCamelCase__     ,       lowerCamelCase__     ,       lowerCamelCase__			)}			):
              return True
  
     return False
  
  
  if __name__ == "__main__":
    import doctest
  
    doctest.testmod()
  
  
style_context: 
  
  
  def   __lowerCamelCase	(       lowerCamelCase__		:	int = 100     ,       lowerCamelCase__		:	int = 100			):
  
  
  
  
  
  			'''simple docstring'''
  
  
  
  
  			return max(
  			    sum(int(lowerCamelCase__			) for x in str(base**power			)			)
  			    for base in range(lowerCamelCase__			)
  			    for power in range(lowerCamelCase__			)			)
  
  
  # Tests
  if __name__ == "__main__":
  		import doctest
  
  		doctest.testmod()
  
  