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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 _write_buffer_to_hash(buffer_object, hash_obj, digest_block_size=8192):
 """Read blocks from a buffer and update a hash with them. :type buffer_object: bytes buffer :param buffer_object: Buffer containing bytes used to update a hash object. :type hash_obj: object that implements update :param hash_obj: A hash object (MD5 or CRC32-C). :type digest_block_size: int :param digest_block_size: The block size to write to the hash. Defaults to 8192. """

    block = buffer_object.read(digest_block_size)

    while len(block) > 0:
        hash_obj.update(block)
        # Update the block for the next iteration.
        block = buffer_object.read(digest_block_size)