NameError: global name 'self' is not defined

def f():
    self.g=5
    print 'a'
f.name = 0
 
print "Hello, world!"
print f.name

def f():
    self.g=5
    print 'a'
f.name = 0
 
print "Hello, world!"
print f.name
d = f()

Error(s), warning(s):
Traceback (most recent call last):
  File "source_file.py", line 10, in <module>
    d = f()
  File "source_file.py", line 4, in f
    self.g=5
NameError: global name 'self' is not defined

def f():
    print(f.name)
f.name = 0
 
f()

def f():
    f.name += 1
f.name = 0
 
print(f.name)
f()
print(f.name)

def f(self):
    self.g=5
    print 'construct'
    return self

print f(f).g

class A(object):
    pass
 
print A.__class__
 
>> <type 'type'>

def f(self = type('f', (), {})):    
    self.g=5
    print 'a'
    return self
 
print f().g

def f(self = type('f', (), {})):
    print 'a'
    
    def df():
        56    
    
    self.g=5
    self.gf=df
    
    return self
 
print f().g
print f().gf()

def f(self = type('f', (), {})):
    print 'a'
    
    @staticmethod
    def df():
        return self.g + 56    
    
    self.g=5
    self.gf=df
    
    return self
 
print f().g
print f().gf()

self.func = staticmethod(lambda: self.g + 6)

def f(self = new('f')):
    
    self.g=5
    self.gf=staticmethod(lambda: self.g + 56)
    
    return self

class f(object):
    
    def __init__(self):
        
        self.g=5
        self.gf=lambda: self.g + 56

new = lambda x: type(x, (), {})
 
def f(self=new('f')):
    self.g=5
    self.gf=staticmethod(lambda: self.g + 56)
    return self
 
f.g = 10
print(f().gf())  # 61

def dec(func):
    func.g = 5
    def gf():
        return func.g
    func.gf = gf
    #def wrap(*args, **kwargs):
    return func
 
@dec
def f():
    return 43
 
print(f())
f.g = 10
print(f.gf())