class User:
 """
  Basic User class, keeps name and age which is common for all users
  """
 name = "User"
 age = 0

class Privilege:
 """
  To represent privilege object
  Only holds type and name of the object
  """
 def __init__(self, p_type, p_name):
  self.p_type = p_type
  self.p_name = p_name
 def __repr__(self):
  return "Type: {}, name: {}".format(self.p_type, self.p_name)

class Admin(User):
 """
  Admin class inherits from basic User class taking the name and age fields from its parent
  In case we don't provide those two buddies, default values will be used (User and 0)
  """
 def __init__(self, privileges, name=None, age=None):
  if name:
   self.name = name
  if age:
   self.age = age
  self.privileges = privileges

 def show_privileges(self):
  print(self.privileges)

 def show_info(self):
  print("{}: age={}".format(self.name, self.age))

admin = Admin([Privilege(0, "write"), Privilege(1, "read")])

admin.show_privileges()
admin.show_info()