class MyClass:
    val1 = ‘apple‘
    def __init__(self):
        val2 = ‘banana‘     
    @staticmethod
    def staticmd():
        print val1+":"+val2     
    @classmethod
    def classmd1(cls):
        print cls.val2
    @classmethod
    def classmd2(cls):
        print cls.val1

>>> MyClass.staticmd()
---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-325-e7a1dcd0e04d> in <module>()
----> 1 MyClass.staticmd()

<ipython-input-323-d82dece8064f> in staticmd()
      5     @staticmethod
      6     def staticmd():
----> 7         print val1+":"+val2
      8     @classmethod
      9     def classmd(cls):

NameError: global name ‘val1‘ is not defined

>>> MyClass.classmd1()
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-327-c83635b87838> in <module>()
----> 1 MyClass.classmd1()

<ipython-input-326-48fb9fb0f284> in classmd1(cls)
      8     @classmethod
      9     def classmd1(cls):
---> 10         print cls.val2
     11     @classmethod
     12     def classmd2(cls):

AttributeError: class MyClass has no attribute ‘val2‘

>>> MyClass.classmd2()
apple