<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def _get_k(self):
        '''
        Accessing self.k indirectly allows for creating the kvstore table
        if necessary.
        '''
        if not self.ready:
            self.k.create() # create table if it does not exist.
            self.ready = True

        return self.k