[字符串介绍](%E5%AD%97%E7%AC%A6%E4%B8%B2%E4%BB%8B%E7%BB%8D.md) [字符串输出](%E5%AD%97%E7%AC%A6%E4%B8%B2%E8%BE%93%E5%87%BA.md) [字符串输入](%E5%AD%97%E7%AC%A6%E4%B8%B2%E8%BE%93%E5%85%A5.md) [下标和切片](%E4%B8%8B%E6%A0%87%E5%92%8C%E5%88%87%E7%89%87.md) [字符串常见操作](%E5%AD%97%E7%AC%A6%E4%B8%B2%E5%B8%B8%E8%A7%81%E6%93%8D%E4%BD%9C.md) [列表介绍](%E5%88%97%E8%A1%A8%E4%BB%8B%E7%BB%8D.md) [列表的循环遍历](%E5%88%97%E8%A1%A8%E7%9A%84%E5%BE%AA%E7%8E%AF%E9%81%8D%E5%8E%86.md) [列表的常见操作](%E5%88%97%E8%A1%A8%E7%9A%84%E5%B8%B8%E8%A7%81%E6%93%8D%E4%BD%9C.md) [列表的嵌套](%E5%88%97%E8%A1%A8%E7%9A%84%E5%B5%8C%E5%A5%97.md) [元组](%E5%85%83%E7%BB%84.md) [字典介绍](%E5%AD%97%E5%85%B8%E4%BB%8B%E7%BB%8D.md) [字典的常见操作1](%E5%AD%97%E5%85%B8%E7%9A%84%E5%B8%B8%E8%A7%81%E6%93%8D%E4%BD%9C1.md) [字典的常见操作2](%E5%AD%97%E5%85%B8%E7%9A%84%E5%B8%B8%E8%A7%81%E6%93%8D%E4%BD%9C2.md) [字典的遍历](%E5%AD%97%E5%85%B8%E7%9A%84%E9%81%8D%E5%8E%86.md) [集合(扩展)](%E9%9B%86%E5%90%88.md) [公共方法](%E5%85%AC%E5%85%B1%E6%96%B9%E6%B3%95.md)