rubydoctest

gistfile1.rb

=begin
doctest: My hello method returns "Hello World!"
>> hello
=> "Hello World!"
doctest: I can pass a name to my hello method and get "Hello Melanie"
>> hello "Melanie"
=> "Hello Melanie!"
doctect: I can even ask a question by passing hello "Victor", "?"
>> hello("Victor", "?")
=>"Hello victor?"
=end
def hello(name = "World", punctuation = "!")
  "Hello #{name}#{punctuation}"
end