avihut

from optparse import OptionParser, Option
from functools import wraps

my_parser = OptionParser(usage = "Usage: %prog [options]")
approve_option = Option("-a", "--approve", default = False, action = "store_true", \
                        help = "Must be provided along with disruptive options.")

class optparse_option(object):

    # Can also accept 'ask_for_approval' argument. By default it's False.

avihut

class Tree
  attr_accessor :children, :node_name

  def initialize(name, children=[])
    @node_name = name
    @children = children
  end
  
  def visit_all(&block)
    visit &block

avihut

func romanify(n: Int) -> String {
    let pivotRomans = [
        1: "I",
        4: "IV",
        5: "V",
        9: "IX",
        10: "X",
        40: "XL",
        50: "L",
        90: "XC",