[4.列表、元组、字典和集合](4.%E5%88%97%E8%A1%A8%E3%80%81%E5%85%83%E7%BB%84%E3%80%81%E5%AD%97%E5%85%B8%E5%92%8C%E9%9B%86%E5%90%88.md) [5](5.md) [6](6.md) [7.函数和lambda表达式](7.%E5%87%BD%E6%95%B0%E5%92%8Clambda%E8%A1%A8%E8%BE%BE%E5%BC%8F.md) [8.Python类和对象](8.Python%E7%B1%BB%E5%92%8C%E5%AF%B9%E8%B1%A1.md)