Simple greeting app to show methods

greeting.rb

def greeting name="Sia"
  puts "Hello #{name}"
end

def how_you_doing(name1, name2)
  puts "Hi, I'm #{name1}.  How YOU doin', #{name2}?"
end

greeting("Sia")
greeting("Lindsay")

new_person = "Alexa"
greeting(new_person)

another_person = "Aline"
greeting(another_person)

how_you_doing("Sia", "Bobby")

greeting