@property
    def lastdate(self):
        if hasattr(self, "_lastdate"):
            return self._lastdate
        else:
            return None
Encodes a list of strings to a single string.
dataset/ETHPy150Open seandroid-analytics/seal/sealib/device.py/File.lastdate--crossover with--dataset/ETHPy150Open algorhythms/LeetCode/271 Encode and Decode Strings.py/CodecMethod2.encode