import sys


def show_progress(e, i, t, l, v):
    '''
    Prints the training progress recursively.
    Args:
        e (int): the current epoch
        i (int): the current batch
        t (int): the total batches
        l (float): the current training loss
        v (float): the current validation loss
    '''
    sys.stdout.write('\r#%4d: [%5d / %5d] loss: %.4f err: %.3f'
                     % (e, i, t, l, v))
    sys.stdout.flush()