Randomize an etudiant list into groups !

list2grps.rb

#!/usr/bin/env ruby

etudiants = ["Name1", "Name2", ... , "Namen"] ;

def extract(etudiants)
  random_number = rand(etudiants.length)
  etudiant = etudiants[random_number]
  return etudiants.delete(etudiant)
end

puts "Grp1. " + extract(etudiants) + " et " + extract(etudiants)
puts "Grp2. " + extract(etudiants) + " et " + extract(etudiants)