printerdict={}
def update_dict(detail):
printerdict={}
toner_printer_id=Toners.objects.get(id=detail.toner_model_id)
printdescription=Items.objects.get(id=toner_printer_id.toner_printer.id)
print_description=printdescription.description
print(print_description)
tonerid=update_items.detailId
ptdescription=print_description
# for tonerid,ptdescription in printerdict:
if tonerid not in printerdict:
printerdict[tonerid]=ptdescription
for k,v in printerdict.items():
print(k,v)