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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 associate_blocks(blocks, layout_pairs, start_peb_num):
 """Group block indexes with appropriate layout pairs Arguments: List:blocks -- List of block objects List:layout_pairs -- List of grouped layout blocks Int:start_peb_num -- Number of the PEB to start from. Returns: List -- Layout block pairs grouped with associated block ranges. """

    seq_blocks = []
    for layout_pair in layout_pairs:
        seq_blocks = sort.by_image_seq(blocks, blocks[layout_pair[0]].ec_hdr.image_seq)

        layout_pair.append(seq_blocks)

    return layout_pairs