deli_counter.rb

my_deli_line = []

def take_a_number(deli_line, customer_name)
  deli_line << customer_name
end

def current_line(deli_line)
  print "Current line: "
  deli_line.each_with_index do |person_in_line, i|
    print "#{i + 1}. #{person_in_line}  "
  end
  puts
  puts
end

def now_serving(deli_line)
  puts "#{deli_line.first}, you're the next customer."
  deli_line.shift
end

take_a_number(my_deli_line, "Amber")  
take_a_number(my_deli_line, "Billy") 
take_a_number(my_deli_line, "Betty") 
take_a_number(my_deli_line, "Xavier") 
take_a_number(my_deli_line, "Jonesy")  
take_a_number(my_deli_line, "Clipper") 
take_a_number(my_deli_line, "Bozo")  
take_a_number(my_deli_line, "Gonzo") 

current_line(my_deli_line)

now_serving(my_deli_line)
now_serving(my_deli_line)
now_serving(my_deli_line)