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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 sample_storage_size(self):
 """Get the storage size of the samples storage collection."""


        try:
            coll_stats = self.database.command('collStats', 'fs.chunks')
            sample_storage_size = coll_stats['size']/1024.0/1024.0
            return sample_storage_size
        except pymongo.errors.OperationFailure:
            return 0