






from typing import Optional, Union

import torch
from torch import nn

from ...configuration_utils import ConfigMixin, register_to_config
from ...models.modeling_utils import ModelMixin
class 						lowerCamelCase_				(      lowerCamelCase			,				lowerCamelCase ):







    @register_to_config
    def __init__(						self       ,					__lowerCAmelCase = 7_6_8       ,					):
        """simple docstring"""
        super().__init__()

        __magic_name__		:Any        =      nn.Parameter(torch.zeros(1       ,					__lowerCAmelCase     )     )
        __magic_name__		:Dict        =      nn.Parameter(torch.ones(1       ,					__lowerCAmelCase     )     )







    def 			A	(						self       ,					__lowerCAmelCase = None       ,					__lowerCAmelCase = None       ,					):
        """simple docstring"""
        __magic_name__		:Tuple        =      nn.Parameter(self.mean.to(__lowerCAmelCase     ).to(__lowerCAmelCase     )     )
        __magic_name__		:Any        =      nn.Parameter(self.std.to(__lowerCAmelCase     ).to(__lowerCAmelCase     )     )
        return self







    def 			A	(						self       ,					__lowerCAmelCase     ):
        """simple docstring"""
        __magic_name__		:Union[str, Any]        =      (embeds - self.mean) * 1.0 / self.std
        return embeds







    def 			A	(						self       ,					__lowerCAmelCase     ):
        """simple docstring"""
        __magic_name__		:List[Any]        =      (embeds * self.std) + self.mean
        return embeds














SCREAMING_SNAKE_CASE__      :			str							=		"""Alexander Joslin"""

import operator as op

from .stack import Stack

def      __lowercase					( snake_case ):







				"""simple docstring"""






				__magic_name__		:Optional[int]        =      {'''*''': op.mul, '''/''': op.truediv, '''+''': op.add, '''-''': op.sub}

				__magic_name__		:Stack[int]        =      Stack()
				__magic_name__		:Stack[str]        =      Stack()

				for i in equation:
								if i.isdigit():
												# RULE 1
												operand_stack.push(int(snake_case ) )
								elif i in operators:
												# RULE 2
												operator_stack.push(snake_case )
								elif i == ")":
												# RULE 4
												__magic_name__		:Optional[int]        =      operator_stack.peek()
												operator_stack.pop()
												__magic_name__		:List[str]        =      operand_stack.peek()
												operand_stack.pop()
												__magic_name__		:Optional[Any]        =      operand_stack.peek()
												operand_stack.pop()

												__magic_name__		:Optional[int]        =      operators[opr](snake_case,  snake_case )
												operand_stack.push(snake_case )

    # RULE 5
				return operand_stack.peek()


if __name__ == "__main__":
					SCREAMING_SNAKE_CASE__      :			Any							=		"""(5 + ((4 * 2) * (2 + 3)))"""
					# answer = 45
					print(f"{equation} = {dijkstras_two_stack_algorithm(equation)}")






