Python tuple()

Python tuple()

Similar list (as a container)
features: immutable objects, the contents of the tuple cannot be added, deleted, or modified, and any data type can be stored.

     列表                                    元组
      []                                     ()
      [1]                                    (1,)
      [1,2,3]                                (1,2,3)

Tuples cannot be added, deleted, or modified, but can be queried: subscript index, slice [:]

If the tuple contains variable data types, you can modify the contents of the tuple indirectly

Other functions in the tuple: t4.index(5), t4.count(5)