tools/taobao_prepare.py [153:158]:
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    for line in train_file:
        units = line.strip().split("\t")
        item_hist_list = units[4].split(",")
        cate_hist_list = units[5].split(",")
        hist_list = zip(item_hist_list, cate_hist_list)
        hist_seq = len(hist_list)
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tools/taobao_prepare.py [179:184]:
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    for line in train_file:
        units = line.strip().split("\t")
        item_hist_list = units[4].split(",")
        cate_hist_list = units[5].split(",")
        hist_list = zip(item_hist_list, cate_hist_list)
        hist_seq = len(hist_list)
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