text: import pydicom,os
  import numpy as np
  import csv
  from pydicom.data import get_testdata_files
  
  Ages=[]
  Sexes=[]
  cnt=0
  nn=0
  #root='/mnt/data7/resampled_data/'
  ill_root = '/home/cwx/extra/NCP_CTs/'
  control_root = '/home/cwx/extra/NCP_CTs/NCP_control/control'
  f=open('raw_ages.txt','w')
  for set_name in os.listdir(ill_root):
      if set_name=='NCP_control' or set_name[:3]!='NCP':
          continue
      for person in os.listdir(os.path.join(ill_root,set_name)):
          for phase in os.listdir(os.path.join(ill_root,set_name,person)):
              if not os.path.isdir(os.path.join(ill_root,set_name,person, phase)):
                  continue
              for inner in os.listdir(os.path.join(ill_root,set_name,person, phase)):
                  if not os.path.isdir(os.path.join(ill_root,set_name,person, phase, inner)):
                      continue
                  for innner in os.listdir(os.path.join(ill_root, set_name,person, phase,inner)):
                      if not os.path.isdir(os.path.join(ill_root, set_name,person, phase, inner,innner)):
                          continue
                      adicom = os.listdir(os.path.join(ill_root,set_name,person, phase, inner,innner))
  
                      adicom = [a for a in adicom if a[0] == 'I']
  
                      adicom = adicom[0]
  
                      # print(os.path.join(root, patient, case, phase, inner, adicom))
                      ds = pydicom.read_file(os.path.join(ill_root,set_name,person, phase, inner,innner, adicom))
                      try:
                          age = int(ds['PatientAge'].value[:-1])
                          sex = ds['PatientSex'].value
                      except:
                          try:
                              age = 2020-int(ds['PatientBirthDate'].value[:4])
  
                          except:
                              age=45
                          sex = ds['PatientSex'].value
                      f.writelines(set_name+'/'+person+'\t'+str(age)+'\t'+str(sex)+'\n')
                      print(set_name+'/'+person+','+str(age) + ',' + str(sex))
                      # cnt+=1
                      break
                  break
              break
  f.close()