contacts.rb

contacts = [
    ['shahryar', 'tavakkoli', '09213380329'],
    ['arash','ebrahimi','09368094936']
]
 

for i in contacts
    if i[0] == 'shahryar' && i[1] == 'tavakkoli' then
        puts "#{i[1]}\t\t#{i[2]}"
        break
    else
        puts "user doesn't exist!"
        break
    end
end