# Dict Update 테스트 ( min값 유지 ) testlist ={} for a in range(0,20000): key = 'itujooijoefwfewewfweggew'+'wefwefdwedewewf'+'fewwef'+'efwef'+str(a) for b in range(0,10): currentValue = 10 - b myValue = {'test2':1,'test':1,'minvalue':currentValue} if key not in testlist: testlist[key] = myValue else: if testlist[key]['minvalue'] > currentValue: testlist[key] = myValue for key in testlist: print(testlist[key])