for line in input:
    line1 = line.replace("\n","")
    arr = line1.split('/')
    _, fields = wfdb.rdsamp(arr[1], pb_dir='ptbdb/' + arr[0] + '/')
    if 'Healthy control' in fields['comments'][4]:
        list.append(1)
        record_result.append(line)
    if 'Myocardial infarction' in fields['comments'][4]:
        if 'inferior' in fields['comments'][5]:
            list.append(0)
            record_result.append(line)