class A(object):
  def foo(self,x):
    print "executing foo(%s,%s)"%(self,x)

  @classmethod
  def class_foo(cls,x):
    print "executing class_foo(%s,%s)"%(cls,x)

  @staticmethod
  def static_foo(x):
    print "executing static_foo(%s)"%x  

a=A()

a.foo(1)
# executing foo(<__main__.A object at 0xb7dbef0c>,1)

-----------------------------------------------------------------

a.class_foo(1)
# executing class_foo(<class '__main__.A'>,1)

A.class_foo(1)
# executing class_foo(<class '__main__.A'>,1)

-----------------------------------------------------------------

a.static_foo(1)
# executing static_foo(1)

A.static_foo('hi')
# executing static_foo(hi)

```
print(a.foo)
# <bound method A.foo of <main.A object at 0xb7d52f0c

print(a.class_foo)
# <bound method type.class_foo of <class 'main.A'

print A.class_foo
<bound method classobj.class_foo of >

print(a.static_foo)
# 
print(A.static_foo)
# 
```