Check if all array keys are in hash keys

array.rb

def do_we_have?(hash = {}, keys = [])
    hash_keys = hash.keys.map {|key| key.to_s }
    found_all = true
    keys.each do |key|
        unless hash_keys.include?(key)
            found_all = false
        end
    end
    return found_all
end


puts do_we_have?({elad: "ok", michael: "lazy"}, ["elad", "michael"])