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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_time(self):
 """Time of the TIFF file Currently, only the file modification time is supported. Note that the modification time of the TIFF file is dependent on the file system and may have temporal resolution as low as 3 seconds. """

        if isinstance(self.path, pathlib.Path):
            thetime = self.path.stat().st_mtime
        else:
            thetime = np.nan
        return thetime