作者：石承朔         更新时间：2025-09-07 17:08          浏览：15次         点赞：0次          热度：20

""" list create """ my_backpack = ["尺子","本子","笔"] print ("我的书包",my_backpack) """ append """ my = ["冰红茶","可乐"] my_backpack.append(my) print(my_backpack) """ in or not in """ if "coffe" in my_backpack: print(123) else: print(456) if"coffe" not in my_backpack: print(789)