增加:有三种,append:在后面添加.Insert按照索引添加,expend:迭代着添加.#append li = ['lishi','alex','lili'] li.append(') print(li)输出:['lishi', 'alex', 'lili', '1220'] li.append([1,2,3,'www'])print(li)输出:['lishi', 'alex', 'lili', [1, 2, 3, 'www']] demo 往列表添加人名 li = ['lishi','