def card_hide(card):
	return card[-4:].rjust(len(card),"*")
0cc546670575425d899b418cc52887bf4fe9e200
<mask token>

def card_hide(card):
    return card[-4:].rjust(len(card), '*')

def card_hide(card):
	return card[-4:].rjust(len(card),"*")