获取列表中的元素数量，写入属性的英文

stores the number of member elements found in the specified list into an attribute

• 获取:    gain; obtain; achi ...
• 列表:    tabulation; summar ...
• 中的:    hit the target; hi ...
• 元素:    element; elementar ...
• 数量:    quantity; quantum; ...
• 写入:    write in
• 属性:    attribute; nature; ...