program.rb

my_name = "Ian"

puts "Hello"

def greeting # here we say def to define a method and put the name of our method
  p "hello" # here’s the code inside our method
end # and here we end or close our method

greeting 

def greeting(name)
p "hello" + " " + name
end

greeting("Ian")

greeting(my_name)

def greeting
  puts "Please enter your name:"
  name = gets.chomp
  puts "Hello" + " " + name
end

greeting