Narkoman Reversed

import operator
import re


int()


rpn = "23.55 sda 32 +"
stack = []

calc_magic_dict = {
    "+": lambda x, y: operator.add(x, y),
    "-": lambda x, y: operator.sub(x, y),
    "*": lambda x, y: operator.mul(x, y),
    "/": lambda x, y: operator.truediv(x, y),
    "^": lambda x, y: operator.truediv(x, y)
}


def calc_magic(opr, x, y):
    return calc_magic_dict[opr](float(x), float(y))


for part in rpn.split():
    if part in calc_magic_dict:
        y, x = stack.pop(), stack.pop()
        stack.append(calc_magic(part, x, y))
    else:
        part_numbers = re.sub("[^0-9.]", "", part)
        part_dot_index = part_numbers.find(".")+1
        part_formatted = part_numbers[:part_dot_index]+part_numbers[part_dot_index:].replace(".", "")
        if len(part_formatted) > 0:
            stack.append(part_formatted)
print(stack)