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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 deserialize_block(value):
 """ Deserialize a byte string into a BlockWrapper Args: value (bytes):
 the byte string to deserialze Returns: BlockWrapper: a block wrapper instance """

        # Block id strings are stored under batch/txn ids for reference.
        # Only Blocks, not ids or Nones, should be returned by _get_block.
        block = Block()
        block.ParseFromString(value)
        return BlockWrapper(
            block=block)