MikaAK

def sign height, width, color = []
  total = 0
  sqrfeet = height * width
  total = sqrfeet * 15
  print "Enter your colors seperated with commas: "
  color = gets.chomp.split(',').trim
  if color.length > 2
    total += color.length * 15
  else
    total += color.length * 10

MikaAK

def shakil_the_dog
  while true
    print "Give shakil a command: "
    input = gets.chomp

    case input

    when 'woof'
      puts "WOOF WOOF WOOF"

MikaAK

[1] pry(main)> def say_hi name
[1] pry(main)*   print "Hello, #{name}"
[1] pry(main)* end
=> nil
[2] pry(main)> say_hi "Mika
[2] pry(main)* "
Hello, Mika
=> nil
[4] pry(main)> x = ['hello','there']
=> ["hello", "there"]