
from .balanced_parentheses import balanced_parentheses
from .stack import Stack



def 			UpperCamelCase       (				lowerCAmelCase__						):
					'''simple docstring'''
					return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(lowerCAmelCase__					,     -1						)



def 			UpperCamelCase       (				lowerCAmelCase__						):
					'''simple docstring'''






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


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

							testmod()
							lowercase__						:Optional[Any]					    =       "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))








from .balanced_parentheses import balanced_parentheses
from .stack import Stack

def 			__SCREAMING_SNAKE_CASE		(		UpperCamelCase		:      str	)     ->	int:



	"""simple docstring"""






	return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(UpperCamelCase     ,					-1	)

def 			__SCREAMING_SNAKE_CASE		(		UpperCamelCase		:      str	)     ->	str:



	"""simple docstring"""






	if not balanced_parentheses(UpperCamelCase	):
		raise ValueError("""Mismatched parentheses"""	)
	a_     			=   Stack()
	a_     			=   []
	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()
			_A							     =       '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))