def rand = new Random()
def departments = ['HR', 'Fecilities', 'R&D', 'Services', 'Security', 'IT', 'Sales', 'Marketing', 'Finance']
def getRandomDepartment = {  departments[rand.nextInt(departments.size -2) + 1]  }
//println getRandomDepartment()

//Sample data source generation using department 
println "Employee ID, Department"
(1..10).each { println "$it, ${getRandomDepartment()}" }