



"""simple docstring"""


from .balanced_parentheses import balanced_parentheses
from .stack import Stack

def 					_lowerCAmelCase (  lowercase_		):
						return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(UpperCAmelCase_						,      -1		)

def 					_lowerCAmelCase (  lowercase_		):
						if not balanced_parentheses(UpperCAmelCase_		):
												raise ValueError('Mismatched parentheses'		)
						UpperCAmelCase			 =					Stack()
						UpperCAmelCase			 =					[]
						for char in expression_str:
												if char.isalpha() or char.isdigit():
																		postfix.append(UpperCAmelCase_		)
												elif char == "(":
																		stack.push(UpperCAmelCase_		)
												elif char == ")":
																		while not stack.is_empty() and stack.peek() != "(":
																								postfix.append(stack.pop()		)
																		stack.pop()
												else:
																		while not stack.is_empty() and precedence(UpperCAmelCase_		) <= precedence(stack.peek()		):
																								postfix.append(stack.pop()		)
																		stack.push(UpperCAmelCase_		)
						while not stack.is_empty():
												postfix.append(stack.pop()		)
						return " ".join(UpperCAmelCase_		)


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

				testmod()
				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))










'''simple docstring'''







from ..utils import DummyObject, requires_backends

class      lowerCamelCase__     (     metaclass=_A				):






	'''simple docstring'''

	A__		=	['''torch''', '''librosa''']




	def __init__(  self		:  Optional[Any]   ,		*__A		:  Tuple   ,		**__A		:  Tuple					)     ->			Union[str, Any]:




								'''simple docstring'''





								requires_backends(self   ,		["""torch""", """librosa"""]					)




	@classmethod
	def      lowercase__							(  cls		:  Dict   ,		*__A		:  List[Any]   ,		**__A		:  List[str]					)     ->			Union[str, Any]:




								'''simple docstring'''





								requires_backends(cls   ,		["""torch""", """librosa"""]					)




	@classmethod
	def      lowercase__							(  cls		:  Optional[int]   ,		*__A		:  List[str]   ,		**__A		:  Tuple					)     ->			Any:




								'''simple docstring'''





								requires_backends(cls   ,		["""torch""", """librosa"""]					)





class      lowerCamelCase__     (     metaclass=_A				):






	'''simple docstring'''

	A__		=	['''torch''', '''librosa''']




	def __init__(  self		:  int   ,		*__A		:  Dict   ,		**__A		:  List[Any]					)     ->			List[Any]:




								'''simple docstring'''





								requires_backends(self   ,		["""torch""", """librosa"""]					)




	@classmethod
	def      lowercase__							(  cls		:  Optional[int]   ,		*__A		:  Optional[int]   ,		**__A		:  List[Any]					)     ->			Union[str, Any]:




								'''simple docstring'''





								requires_backends(cls   ,		["""torch""", """librosa"""]					)




	@classmethod
	def      lowercase__							(  cls		:  List[str]   ,		*__A		:  List[str]   ,		**__A		:  int					)     ->			List[str]:




								'''simple docstring'''





								requires_backends(cls   ,		["""torch""", """librosa"""]					)





