>>> def f1(self,x,y):
	return min(x,x+y)

>>> class C:
	f = f1
	def g(self):
		return"I_LOVE_YOU"
	h=g

C.h()
Traceback (most recent call last):
  File "<pyshell#83>", line 1, in <module>
    C.h()
TypeError: unbound method g() must be called with C instance as first argument (got nothing instead)
>>> C.f(5,7)
Traceback (most recent call last):
  File "<pyshell#84>", line 1, in <module>
    C.f(5,7)
TypeError: unbound method f1() must be called with C instance as first argument (got int instance instead)

class C:
	def g(self):
		return "I_LOVE_YOU"
	def f1(self,x,y):
		return min(x,x+y)
print C().g()
print C().f1(1,2)

def f1(self, x, y):
    return min(x,x+y)

class C:
    
    f = lambda self, x, y: f1(self, x, y)
    h = lambda self: self.g()
    
    def g(self):
        return "your provocative string"
    
print C().f(1, 2)
print C().h()

print C().g()

c = C()
print c.g()

class Baz:

    @classmethod
    def foo(cls):
        print 'class -> %r'%cls

    def bar(self):
        print 'instance -> %r'%self
        print 'class -> %r'%self.__class__