class Test:
  def prt(self):
    print(self)
    print(self.__class__)
 
t = Test()
t.prt()

<__main__.Test object at 0x000000000284E080>
<class '__main__.Test'>

class Test:
  def prt(this):
    print(this)
    print(this.__class__)
 
t = Test()
t.prt()

class Test:
  def prt():
    print(self)
 
t = Test()
t.prt()

Traceback (most recent call last):
 File "h.py", line 6, in <module>
  t.prt()
TypeError: prt() takes 0 positional arguments but 1 was given

class Test:
  def prt():
    print(__class__)
Test.prt()

<class '__main__.Test'>

class Parent:
  def pprt(self):
    print(self)
 
class Child(Parent):
  def cprt(self):
    print(self)
c = Child()
c.cprt()
c.pprt()
p = Parent()
p.pprt()

<__main__.Child object at 0x0000000002A47080>
<__main__.Child object at 0x0000000002A47080>
<__main__.Parent object at 0x0000000002A47240>

class Desc:
  def __get__(self, ins, cls):
    print('self in Desc: %s ' % self )
    print(self, ins, cls)
class Test:
  x = Desc()
  def prt(self):
    print('self in Test: %s' % self)
t = Test()
t.prt()
t.x

self in Test: <__main__.Test object at 0x0000000002A570B8>
self in Desc: <__main__.Desc object at 0x000000000283E208>
<__main__.Desc object at 0x000000000283E208> <__main__.Test object at 0x0000000002A570B8> <class '__main__.Test'>

self in Test: <__main__.Test object at 0x00000000022570B8>
self in Desc: <__main__.Desc object at 0x000000000223E208>
<__main__.Desc object at 0x000000000223E208> None <class '__main__.Test'>

def user_init(user,name,age): 
  user['name'] = name 
  user['age'] = age 
 
def set_user_name(user, x): 
  user['name'] = x 
 
def set_user_age(user, x): 
  user['age'] = x 
 
def get_user_name(user): 
  return user['name'] 
 
def get_user_age(user): 
  return user['age'] 
 
myself = {} 
user_init(myself,'kzc',17) 
print get_user_age(myself) 
set_user_age(myself,20) 
print get_user_age(myself) 

class User(object): 
  def __init__(self,name,age): 
    self.name = name 
    self.age = age 
 
  def SetName(self,name): 
    self.name = name 
 
  def SetAge(self,age): 
    self.age = age 
 
  def GetName(self): 
    return self.name 
 
  def GetAge(self): 
    return self.age 
 
u = User('kzc',17) 
print u.GetName() 
print u.GetAge()