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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 detect_fastq_annotations(fastq_file):
 """ detects annotations preesent in a FASTQ file by examining the first read """

    annotations = set()
    queryread = tz.first(read_fastq(fastq_file))
    for k, v in BARCODEINFO.items():
        if v.readprefix in queryread:
            annotations.add(k)
    return annotations