get_distance

import osos.chdir("C:/Program Files/Vaa3D-3.20/bin")namelist = []path = "F:/fruitfly_with_gold"pathDir =  os.listdir(path)for allDir in pathDir:    filepath = path + '/'+allDir    file = os.listdir(filepath)    for item in  os.listdir(filepath+'/'+file[1]):        os.system("vaa3d.exe /x neuron_distance /f neuron_distance /i {0} {1} /o {2}.txt".format(filepath+'/'+file[0],filepath+'/'+file[1]+'/'+item,filepath+'/'+item))    break