class MyClass(object):
    '''a user-defined wrapper class'''

    version = 1.0
        
    def setTo(self, value):    # setTo is a class method
        '''sets the instance variable "data" to value'''
        self.data = value      # data is an instance variable
        
    def get(self):             # get is a class method
        '''returns the value of the instance variable "data" '''
        return self.data       # data is an instance variable