ex13_3.rb

#!/usr/bin/env ruby

#first, second, third, fourth  = ARGV

#puts "The script is called: #{$0}"
#puts "Your first variable is: #{first}"
#puts "Your second variable is: #{second}"
#puts "Your third variable is: #{third}"
#puts "Your fourth variable is: #{fourth}"

puts "Enter your 1st variable: "
first = gets.chomp()

puts "Enter your 2nd variable: "
second = gets.chomp()

puts "Enter your 3rd variable: "
third = gets.chomp()

puts "Enter your 4th variable: "
fourth = gets.chomp()

puts "These are your variables #{first} #{second} #{third} #{fourth}"