<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def _write_images(self, iteration:int)->None:
        "Writes model generated, original and real images to Tensorboard"
        self.img_gen_vis.write(learn=self.learn, trn_batch=self.trn_batch, val_batch=self.val_batch, iteration=iteration, 
                               tbwriter=self.tbwriter)