def delete_item(self, item_name, item_type):
    if item_type == 'weapon':
        if self.weapon.get(item_name) != None:
            self.weapon[item_name] -= 1
            if self.weapon[item_name] == 0:
                self.weapon.pop(item_name)
    elif item_type == 'armor':
        if self.armor.get(item_name) != None:
            self.armor[item_name] -= 1
            if self.armor[item_name] == 0:
                self.armor.pop(item_name)
    elif item_type == 'active':
        if self.active.get(item_name) != None:
            self.active[item_name] -= 1
            if self.active[item_name] == 0:
                self.active.pop(item_name)