📅  最后修改于: 2022-03-11 15:04:49.609000             🧑  作者: Mango
def show_name_and_address(name="Someone", address="Somewhere")
puts "#{name}, #{address}"
end
show_name_and_address
#=> 'Someone, Somewhere'
show_name_and_address('Andy')
#=> 'Andy, Somewhere'