logger.info("[{}/{}][{}/{}] => Loss D = {} -- Loss G = {}".format(epoch,n_epochs,i,len(dataloader),errD.data[0],errG.data[0]))
end=time.time()
logger.info("[{}/{}][{}/{}] => Loss D = {} -- Loss G = {} (time spent: {})".format(epoch,n_epochs,i,len(dataloader),errD.data[0],errG.data[0],(end-start)))