#datenliste=[['Turnhalle','Fotolabor','','Aula'],['','','Chemiesaal',''],['','Fotolabor','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','Fotolabor','Chemiesaal','Aula'],['Turnhalle','Fotolabor','Chemiesaal','Aula'],['Turnhalle','Fotolabor','',''],['Turnhalle','','',''],['Turnhalle','Fotolabor','',''],['','','',''],['Turnhalle','','',''],['','','Chemiesaal',''],['','Fotolabor','',''],['Turnhalle','','',''],['','','',''],['','','','Aula'],['','','','Aula'],['','','',''],['','Fotolabor','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','','Chemiesaal','Aula'],['','Fotoloabor','',''],['Turnhalle','','',''],['','Fotolabor','',''],['','Fotolabor','',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','','','Aula'],['','','','Aula'],['','','',''],['Turnhalle','Fotolabor','',''],['','','',''],['','','',''],['','Fotolabor','',''],['','','',''],['','','',''],['','','',''],['','','Chemiesaal','Aula'],['','','','Aula'],['Turnhalle','','','Aula'],['','','','Aula'],['','','Chemiesaal',''],['Turnhalle','Fotolabor','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','Fotolabor','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','','Chemiesaal',''],['Turnhalle','','Chemiesaal','Aula'],['','','','Aula'],['Turnhalle','Fotolabor','Chemiesaal','Aula'],['','','Chemiesaal',''],['Turnhalle','Fotolabor','',''],['Turnhalle','Fotolabor','',''],['Turnhalle','Fotolabor','',''],['Turnhalle','Fotolabor','',''],['Turnhalle','Fotolabor','',''],['Turnhalle','Fotolabor','',''],['','Fotolabor','',''],['','Fotolabor','','Aula'],['Turnhalle','Fotolabor','',''],['','Fotolabor','',''],['Turnhalle','','',''],['','Fotolabor','',''],['','','',''],['Turnhalle','Fotolabor','',''],['','Fotolabor','','Aula'],['','','','Aula'],['','Fotolabor','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','','Chemiesaal',''],['Turnhalle','Fotolabor','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','Fotolabor','Chemiesaal',''],['Turnhalle','','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal','Aula'],['','Fotolabor','',''],['','','',''],['Turnhalle','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','','','Aula'],['','','',''],['Turnhalle','','',''],['','','',''],['Turnhalle','Fotolabor','',''],['Turnhalle','','',''],['','','',''],['Turnhalle','','',''],['','Fotolabor','',''],['','','','Aula'],['','','',''],['','Fotolabor','',''],['','','Chemiesaal',''],['','','','Aula'],['','','',''],['Turnhalle','Fotolabor','',''],['Turnhalle','','','Aula'],['Turnhalle','','',''],['Turnhalle','','',''],['Turnhalle','','',''],['Turnhalle','','',''],['Turnhalle','Fotolabor','',''],['','Fotolabor','','Aula'],['','','Chemiesaal','Aula'],['Turnhalle','','','Aula'],['Turnhalle','','',''],['','Fotolabor','',''],['Turnhalle','','',''],['','Fotolabor','',''],['Turnhalle','','Chemiesaal',''],['','Fotolabor','',''],['','','','Aula'],['','','Chemiesaal',''],['Turnhalle','Fotolabor','',''],['','Fotolabor','',''],['','','','Aula'],['Turnhalle','Fotolabor','',''],['','Fotolabor','',''],['Turnhalle','','Chemiesaal',''],['','','Chemiesaal',''],['Turnhalle','','Chemiesaal',''],['','','Chemiesaal',''],['','Fotolabor','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','','Chemiesaal',''],['','Fotolabor','Chemiesaal','Aula'],['Turnhalle','','Chemiesaal','Aula'],['Turnhalle','','Chemiesaal','Aula'],['','','Chemiesaal','Aula'],['','','Chemiesaal','Aula'],['Turnhalle','','Chemiesaal','Aula'],['','','Chemiesaal','Aula'],['Turnhalle','','',''],['Turnhalle','','','Aula'],['Turnhalle','','','Aula'],['','Fotolabor','',''],['','Fotolabor','',''],['Turnhalle','','',''],['Turnhalle','','','']]
dateiname='personenorte.txt'
pfad='/home/thyssen/Desktop/'
datei=pfad+dateiname
print(datei, ' als angegebene Datei')
datalist=open(datei,"r") #Stream zur Datei 'Datei' oeffnen
filedaten=datalist.read() # Stream lesen in Variable filedaten --> String
datalist.close() # Stream schließen
datenliste=eval(str(filedaten)) # Auswertung des Strings als Liste
# datenliste=[['Aula','Fotolabor','','Turnhalle'],['Aula','','','']]
for unterliste in datenliste:
    orte=0
    for platz in unterliste:
            if platz!='':
                orte=orte+1
    if orte == 1:
        print (unterliste,'brauchbar')
    else:
        print (unterliste,'unbrauchbar')