text: from Person import Person
  from Student import Student
  from Staff import Staff
  import os
  
  PersonObj = Person('', '',)
  StudentObj = Student('', '', '', '', '')
  StaffObj = Staff('', '', '', '')
  
  os.system('cls')
  print('Objectos iniciales')
  print(PersonObj.toString())
  print(StudentObj.toString())
  print(StaffObj.toString())
  
  PersonObj.setName('Obama')
  PersonObj.setAddress('Calle 53')
  
  print()
  print('Persona editada')
  print(PersonObj.toString())
  
  StudentObj.setName('Obama')
  StudentObj.setAddress('Calle 53')
  StudentObj.setYear('12/12/12')
  StudentObj.setProgram('SOFT ING')
  StudentObj.setFee(2.2)
  
  print()
  print('Estudiante Editido')
  print(StudentObj.toString())
  
  StaffObj.setName('Obama')
  StaffObj.setAddress('Calle 53')
  StaffObj.setPay(3000)
  StaffObj.setSchool('HIGH MUSICAL')
  
  print()
  print('Staff Editido')
  print(StaffObj.toString())