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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 extract_chunks(blob):
 """Splits the blob into chucks grouped by kind."""

    chunks = []
    stream = BytesIO(blob.bytes)
    current_pos = stream.tell()
    stream.seek(0, 2)
    length = stream.tell()
    stream.seek(current_pos, 0)
    while stream.tell() < length:
        chunks.append(read_chunk(stream))

    return chunks