# cities = ['berlin', 'tokyo']
# #             0         1

# cities[1]

students =     [ "Peter", "Mary",  "George", "Emma" ]
student_ages = [ 24     , 25    , 22      ,  20    ]


students.each_with_index do |student, index|
  age = student_ages[index]
  puts "#{student} is #{age} years old"
end