

from .balanced_parentheses import balanced_parentheses
from .stack import Stack





def    _snake_case		(snake_case_				:    str     )       ->		int:
  return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(snake_case_						,					-1     )





def    _snake_case		(snake_case_				:    str     )       ->		str:
  if not balanced_parentheses(snake_case_     ):
    raise ValueError('Mismatched parentheses'     )
  __UpperCAmelCase  :     Stack[str]		=    Stack()
  __UpperCAmelCase  :     Optional[int]		=    []
  for char in expression_str:
    if char.isalpha() or char.isdigit():
      postfix.append(snake_case_     )
    elif char == "(":
      stack.push(snake_case_     )
    elif char == ")":
      while not stack.is_empty() and stack.peek() != "(":
        postfix.append(stack.pop()     )
      stack.pop()
    else:
      while not stack.is_empty() and precedence(snake_case_     ) <= precedence(stack.peek()     ):
        postfix.append(stack.pop()     )
      stack.push(snake_case_     )
  while not stack.is_empty():
    postfix.append(stack.pop()     )
  return " ".join(snake_case_     )


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

      testmod()
      _SCREAMING_SNAKE_CASE          = '''a+b*(c^d-e)^(f+g*h)-i'''

      print('''Infix to Postfix Notation demonstration:\n''')
      print('''Infix notation: ''' + expression)
      print('''Postfix notation: ''' + infix_to_postfix(expression))








def    _snake_case		(snake_case_				:    int						,					snake_case_				:    int						,					snake_case_				:    int						,					snake_case_				:    int     )       ->		int:
  return len_board * len_board_column * row + column





def    _snake_case		(snake_case_				:    list[list[str]]						,					snake_case_				:    str						,					snake_case_				:    int						,					snake_case_				:    int						,					snake_case_				:    int						,					snake_case_				:    set[int]						,					)       ->		bool:

  if board[row][column] != word[word_index]:
    return False

  if word_index == len(snake_case_     ) - 1:
    return True

  __UpperCAmelCase  :     List[Any]		=    [(0, 1), (0, -1), (-1, 0), (1, 0)]
  __UpperCAmelCase  :     Dict		=    len(snake_case_     )
  __UpperCAmelCase  :     str		=    len(board[0]     )
  for direction in traverts_directions:
    __UpperCAmelCase  :     Dict		=    row + direction[0]
    __UpperCAmelCase  :     Optional[int]		=    column + direction[1]
    if not (0 <= next_i < len_board and 0 <= next_j < len_board_column):
      continue

    __UpperCAmelCase  :     str		=    get_point_key(snake_case_						,					snake_case_						,					snake_case_						,					snake_case_     )
    if key in visited_points_set:
      continue

    visited_points_set.add(snake_case_     )
    if exits_word(snake_case_						,					snake_case_						,					snake_case_						,					snake_case_						,					word_index + 1						,					snake_case_     ):
      return True

    visited_points_set.remove(snake_case_     )

  return False





def    _snake_case		(snake_case_				:    list[list[str]]						,					snake_case_				:    str     )       ->		bool:
  __UpperCAmelCase  :     str		=    (
      'The board should be a non empty matrix of single chars strings.'
  )

  __UpperCAmelCase  :     Any		=    len(snake_case_     )
  if not isinstance(snake_case_						,					snake_case_     ) or len(snake_case_     ) == 0:
    raise ValueError(snake_case_     )

  for row in board:
    if not isinstance(snake_case_						,					snake_case_     ) or len(snake_case_     ) == 0:
      raise ValueError(snake_case_     )

    for item in row:
      if not isinstance(snake_case_						,					snake_case_     ) or len(snake_case_     ) != 1:
        raise ValueError(snake_case_     )

    # Validate word
  if not isinstance(snake_case_						,					snake_case_     ) or len(snake_case_     ) == 0:
    raise ValueError(
        'The word parameter should be a string of length greater than 0.'     )

  __UpperCAmelCase  :     str		=    len(board[0]     )
  for i in range(snake_case_     ):
    for j in range(snake_case_     ):
      if exits_word(
          snake_case_						,					snake_case_						,					snake_case_						,					snake_case_						,					0						,					{get_point_key(snake_case_						,					snake_case_						,					snake_case_						,					snake_case_     )}     ):
        return True

  return False


if __name__ == "__main__":
      import doctest

      doctest.testmod()





