ex18.rb

# this one is just like your scripts with ARGV
def print_two(*args)
  arg1, arg2 = args
  puts "arg1: #{arg1}, arg2: #{arg2}"
end

# That *args is actually pointless, we can just do this:
def print_two_again(arg1, arg2)
  puts "arg1: #{arg1}, arg2: #{arg2}"
end

# Just 1 argument
def print_one(arg1)
  puts "arg1: #{arg1}"
end

# No arguments

def print_none
  puts "I got nothin'."
end

print_two("Idaho","Potato")
print_two_again("Idaho","Potato")
print_one("First!")
print_none()