contacts.rb

users = [
  {
    username: "emma",
    email: "[email protected]",
    address: "1 Bourke Street, Melbourne"
  },
  {
    username: "paul",
    email: "[email protected]",
    address: "120 Spencer Street, Melbourne"
  }
]

def view_contacts(users)
  # loop through array of hashes
  puts "-" * 27
  for people in users
    puts "username: #{people[:username]}"
    puts "email: #{people[:email]}"
  end
end

def menu 
  puts "1. View contacts"
  puts "2. Add contact"
  puts "3. Remove contact"
  puts "4. Exit"

  puts ""
  puts "whats your selection? (pick between 1 and 4)"
  print "> "
  user_input = gets.chomp.to_i
end

while true
  input = menu
  case input
  when 1
    view_contacts(users)
  when 2
    puts "add contacts"
  when 3
    puts "delete contacts"
  else
    exit
  end
end