# 列表(可以更改内容)
my_list = [1, 2, 3]
my_list.append(4) # 添加元素4
print(my_list) # 输出: [1, 2, 3, 4]
# 元组(不可更改)
my_tuple = (1, 2, 3)
# my_tuple[0] = 10 # 这行会报错,因为元组不可修改
# 字典(键-值对)
my_dict = {"name": "Alice", "age": 25}
print(my_dict["name"]) # 输出: Alice