"""simple docstring"""







from .balanced_parentheses import balanced_parentheses
from .stack import Stack


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


def 					a__ (						UpperCAmelCase__    :     str     )->		str:
						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()
						UpperCamelCase_    :    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))


"""simple docstring"""







class      _lowercase						:

				def __init__(       self    :      Tuple    ,      _lowercase    :      int       ):


										'''simple docstring'''
										UpperCAmelCase__   		=						data
										UpperCAmelCase__   		=						None
										UpperCAmelCase__   		=						None


def 					a__ (						UpperCAmelCase__    :     BinaryTreeNode | None						,     UpperCAmelCase__    :     int     )->		BinaryTreeNode | None:
						if node is None:
												UpperCAmelCase__   		=						BinaryTreeNode(UpperCAmelCase__     )
												return node

						# binary search tree is not empty,
						# so we will insert it into the tree
						# if new_value is less than value of data in node,
						#  add it to left subtree and proceed recursively
						if new_value < node.data:
												UpperCAmelCase__   		=						insert(node.left_child						,     UpperCAmelCase__     )
						else:
												# if new_value is greater than value of data in node,
												#  add it to right subtree and proceed recursively
												UpperCAmelCase__   		=						insert(node.right_child						,     UpperCAmelCase__     )
						return node


def 					a__ (						UpperCAmelCase__    :     None | BinaryTreeNode     )->		list[int]:  # if node is None,return
						if node:
												UpperCAmelCase__   		=						inorder(node.left_child     )
												UpperCAmelCase__   		=						[*inorder_array, node.data]
												UpperCAmelCase__   		=						inorder_array + inorder(node.right_child     )
						else:
												UpperCAmelCase__   		=						[]
						return inorder_array


def 					a__ (						)->		BinaryTreeNode | None:
						UpperCAmelCase__   		=						insert(UpperCAmelCase__						,     1_5     )
						insert(UpperCAmelCase__						,     1_0     )
						insert(UpperCAmelCase__						,     2_5     )
						insert(UpperCAmelCase__						,     6     )
						insert(UpperCAmelCase__						,     1_4     )
						insert(UpperCAmelCase__						,     2_0     )
						insert(UpperCAmelCase__						,     6_0     )
						return root


def 					a__ (						)->		None:
						# main function
						UpperCAmelCase__   		=						make_tree()
						print("""Printing values of binary search tree in Inorder Traversal."""     )
						inorder(UpperCAmelCase__     )


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						main()

