<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def append(self, name, data):
 """Append 'data' to the current node d_data This method appends 'data' to the current contents in the key named 'name'. The append assumes that the operation makes sense and that the data types can be appended to each other. """

            b_OK = True
            self.snode_current.d_data[name] = self.snode_current.d_data[name] + data
            return b_OK