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

def _deserialize_dict(cls, data):
        '''
        deserializes a dictionary

        :param data: data to deserialize
        '''
        return cPickle.loads(zlib.decompress(b64decode(data.encode())))