<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(self, key, default=None, type_=None):
 """ Return the last data value for the passed key. If key doesn't exist or value is an empty list, return `default`. """

        try:
            rv = self[key]
        except KeyError:
            return default
        if type_ is not None:
            try:
                rv = type_(rv)
            except ValueError:
                rv = default
        return rv