
'''simple docstring'''





from .balanced_parentheses import balanced_parentheses
from .stack import Stack

def   A			(							A_				:       str							):
						return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(A_     ,				-1							)

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


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

						testmod()
						UpperCAmelCase            = "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'''


def     SCREAMING_SNAKE_CASE(	UpperCamelCase	)     ->     int:
	if not isinstance(UpperCamelCase ,UpperCamelCase	):
		raise TypeError('recursive_lucas_number accepts only integer arguments.'	)
	if n_th_number == 0:
		return 2
	if n_th_number == 1:
		return 1

	return recursive_lucas_number(n_th_number - 1	) + recursive_lucas_number(
	    n_th_number - 2	)







def     SCREAMING_SNAKE_CASE(	UpperCamelCase	)     ->     int:
	if not isinstance(UpperCamelCase ,UpperCamelCase	):
		raise TypeError('dynamic_lucas_number accepts only integer arguments.'	)
	UpperCAmelCase_						,     UpperCAmelCase_		:   List[str]													=       2, 1
	for _ in range(UpperCamelCase	):
		UpperCAmelCase_						,     UpperCAmelCase_		:   Dict													=       b, a + b
	return a


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

						testmod()
						lowerCAmelCase__      				=			int(input("Enter the number of terms in lucas series:\n").strip())
						print("Using recursive function to calculate lucas series:")
						print(" ".join(str(recursive_lucas_number(i)) for i in range(n)))
						print("\nUsing dynamic function to calculate lucas series:")
						print(" ".join(str(dynamic_lucas_number(i)) for i in range(n)))






